问题
The man called his professor for help because he couldn’t solve the problem by _________.
A:herself
B:himself
C:yourself
D:themselves
B:himself
C:yourself
D:themselves
正确答案是：
同类题型
A: Where are you now?B: We _________ on the Great Wall of China and talking to you.
I don’t know the man came to our party last night. Can you tell me he is? [ ]
Her room is beautiful. But I don’t think her room is bigger than _______.
I don’t know if it ______ tomorrow. If it ______, we’ll go out for a picnic.