题目列表(包括答案和解析)
We offered these students a summer course ,aimed _____ improving their spoken English.
A.to B.of C.at D.for
We offered these students a summer course ,aimed _____ improving their spoken English.
A.to B.of C.at D.for
We offered these students a summer course , aimed _____ improving their spoken English.
A.to B.in C.at D.for
We offered these students a summer course , aimed _____ improving their spoken English.
A.to B.in C.at D.for
We offered these students a summer course , aimed _____ improving their spoken English.
A.to B.in C.at D.for
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