根据下列内容,回答题。Since the l970s,scientists have been searching fo

根据下列内容,回答题。Since the l970s,scientists have been searching for ways to link the

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We can know that before 1995 Mary__________.

We can know that before 1995 Mary__________.A.had two books published B.received

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What can we learn about Willy Lowman? ________

What can we learn about Willy Lowman? ________A.He treats his employer badly B.H

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It is necessary that the plan__________before Thursday.

It is necessary that the plan__________before Thursday.A.were fulfilled B.was fu

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Michael is very good at each subject,and it is__________that

Michael is very good at each subject,and it is__________that he will be admitted

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