单项选择题
A. told B. telling C. to tell D. to have told
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
While building a tunnel though the mountains, ______. A...
单项选择题While building a tunnel though the mountains, ______.
—What about 10 o’clock tomorrow morning —I’m afraid I ...
单项选择题—What about 10 o’clock tomorrow morning —I’m afraid I can’t make it. I （）then.
A. am going to take an exam B. am taking an exam C. will be taking an exam D. am to take an exam
