Which is _____to learn, fishing or swimming?
_______we felt tired, _______we felt happy.A. Though; but B. Though; / C. If; but
—______ you _______ Mount Qingyuan these days?—Yes, I have. The mountains are more beautiful.A. Have; gone to B. Have; been in C. Have; been to
—I _______ my hometown for ten years. I really miss it!A. have been away from B. have left C. went away from
—Why are you standing here, Mrs. White ? —I’m waiting for my son, he ________back form school.A. won’t B. hasn’t come C. doesn’t
—I think everyone must do his best to _______pollution.—If so, there will be a good future for people of tomorrow.A. keep B. stop C. stand