问题

I don’t know _______.Can you tell me________
A: how swim; what to do
B:how to swim ; what to do it
C:how to swim; what to do
D:what to swim; how to do
B:how to swim ; what to do it
C:how to swim; what to do
D:what to swim; how to do
正确答案是:
同类题型
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