问题

What are you doing ______ vacation? —I’m going fishing. [ ]
A: to
B: at
C: for
D:by
B: at
C: for
D:by
正确答案是:
同类题型
Mrs.Wang has____8-year-old daughter who has ____ gift for dancing and singing.
If you send the best wishes to your mother on Mother’s Day,____will give her a great surprise.
The park is far from here. It’s about ______.
I’ll see to your cat when you aren’t in ? What does the underlined phrase mean ?