难度：★    考点：宾语从句

　　1. -Do you know the lady ______is talking with Mr. Smith?

　　-Yes, she's our new chemistry teacher, Miss Brown.

　　A. who                      B. which                C. whom

　　2. These animals are in danger. We should think ________ to protect them.

　　A. what can we do         B. what we can do         C. how can we do         D. how we can do

　　3. -Have you got any idea for the summer vacation?

　　-I don't mind           . It will be OK if there is sun, sea and beach.

　　A. where do we go       B. where we go            C. when we go

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