单项选择题
A person （）a foreign language must be able to use the l...
单项选择题A person （）a foreign language must be able to use the language （）all his own.
A. learning ,forgetting B. to learn, to forget C. using ,but D. who learns ,to forget
He was very busy yesterday; otherwise, he （）to the meet...
单项选择题He was very busy yesterday; otherwise, he （）to the meeting.
A. would come B. came C. would have come D. will come
I should very much like to have gone to that party of t...
单项选择题I should very much like to have gone to that party of theirs, but （）
A. I’m not invited B. I was not invited C. I have not been invited D. I had not been invited
