All of them think Peter has difficulty________.
| A．to make decisions | B．makes decisions |
| C．making decisions | D．making decision |
_______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 leftC. 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