Only by practicing a lot our English well enough to communicate with foreigners.A. we can

问题补充：

Only by practicing a lot our English well enough to communicate with foreigners.

A. we can learn

B. can we learn

C. learn we

D. we learn

答案：

A. we can learn

(答案→)B. can we learn

C. learn we

D. we learn

解析：考查only的倒装句： only+状语置于句首，后面的句子用部分倒装，句意：只有通过大量的练习，我们才能把英语学得足够好，可以和外国人交流。情态动词放在we前面构成倒装句。选B。