问题

You haven’t got the textbook for my chemistry yet.—I know, and we ________ to get it for the last five weeks

A:will have been trying
B:have been trying
C:will be trying
D:had tried

正确答案是：

同类题型

The story of Tom Sawyer ______ in Missouri, America,in the 19th century.

If he , I will let you know. He also wants to see you.

How long may I ________this book Forabout a week.

She was clearly a customer at Scott’ s, as she told the waiter that she would stick to her favorite．

She ____ have a volleyball.