PART 4: Supply the correct tense or form of the verbs in brackets to complete the passage. Write your answers in the numbered table below. (0) has been done as an example.

Câu hỏi :

PART 4: Supply the correct tense or form of the verbs in brackets to complete the passage. Write your answers in the numbered table below. (0) has been done as an example.18,000 years ago, much of Europe (0) ________(lie)  (1)________(bury) beneath vast sheets of ice, hundreds of metres thick. Ever since this astonishing fact (2)_______(discover)  in the last century, scientists (3) ________(speculate) on the nature of the Ice Age climate, and the circumstances that brought it to an end.