1 . I was studying for the test when the rainstorm came. (对划线部分提问)
______ were you doing when the rainstorm came?

2 . 是什么让他在同事面前不能遵守诺言?(promise) （汉译英）

3 . 他当探险家的梦想什么时候才能实现呢?(dream) （汉译英）

4 . The new sunglasses cost 29.9 dollars.(划线部分提问)
________   ________ do the new sunglasses cost?

5 . Every two weeks,(每两周) the train carries lots of fruit to the small town.(画线部分提问)
________   _______does the train carry lots of fruit to the small town?

6 . — ________ is her daughter?
— The girl on the right wearing blue jeans.

A．Who

B．What

C．Which

D．Where

7 . 要是他们问我这个问题，我该怎么回答呢？
________________ if they ask me the question?

8 . ________ does it take to win the hearts and minds of 10 students in today's education？

A．What

B．When

C．How

D．Why

9 . 但它们怎样避免撞到彼此呢？（avoid doing）（汉译英）

10 . 他为什么不能来？
________ ________ ________ that he can't come?