div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=these-time-references-they-have-been-investigating-the-same-problem-for-manyhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: ingleseoiesingleseoiesieltspdfgrammarg4pdf · Compare these time references: They have been investigating the same problem for many years The company started green loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer20220517215a85bceb7f8b9a14748c4b66html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=these-time-references-they-have-been-investigating-the-same-problem-for-manyhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: ingleseoiesingleseoiesieltspdfgrammarg4pdf · Compare these time references: They have been investigating the same problem for many years The company started green loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer20220517215a85bceb7f8b9a14748c4b66html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=these-time-references-they-have-been-investigating-the-same-problem-for-manyhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: ingleseoiesingleseoiesieltspdfgrammarg4pdf · Compare these time references: They have been investigating the same problem for many years The company started green loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer20220517215a85bceb7f8b9a14748c4b66html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=these-time-references-they-have-been-investigating-the-same-problem-for-manyhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: ingleseoiesingleseoiesieltspdfgrammarg4pdf · Compare these time references: They have been investigating the same problem for many years The company started green loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer20220517215a85bceb7f8b9a14748c4b66html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=these-time-references-they-have-been-investigating-the-same-problem-for-manyhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: ingleseoiesingleseoiesieltspdfgrammarg4pdf · Compare these time references: They have been investigating the same problem for many years The company started green loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer20220517215a85bceb7f8b9a14748c4b66html5thumbnails5jpg width=140 height=200 divdiv
