2009高考英语名词性从句练习题及答案解析

3. See the flags on top of the building? That was _______ we did this morning.

A. when                B. which                C. where               D. What

4. —Could you do me a favor?

—It depends on _______ it is.

A. which B. whichever                C. what                        D. whatever

5. These shoes look very good. I wonder _______.

A. how much cost they are                               B. how much do they cost

C. how much they cost                                      D. how much are they cost

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