问题

We offered these students a summer course ,aimed _____ improving their spoken English. A.to B.in C.at D.for
A:whoever
B:in
C:at
D:for
B:in
C:at
D:for
正确答案是:
同类题型
I don’t know the new word.— It doesn’t matter, you can ______ in the dictionary.
1It’s ten o’clock. Thechildren are ___ a good time.
To _____skating, one needs to keep practicing and receive professional guidance. [ ]
I visited Mr. Johnson during his stay in Shanghai he attended a most important conference there.