Danny did all kinds of things to make the baby ______.
| A．to stop crying | B．stop crying | C．to stop to cry | D．stop to cry |
— When did the meeting begin?
—At four o’clock．It ______ for 15 minutes．
| A．was on | B．began | C．has been on | D．has begun |
It is said that the gravity on Mars is only about __________ of the gravity on earth．
| A．three-eighths | B．third-eighth | C．three-eighth | D．third-eighths |
After a short time, the bad news had ______all over the city and everybody knew it．
| A．showed | B．spread | C．covered | D．Explored |
The workers recycle the old newspapers ______use them．
| A．so that don’t | B．in order not to | C．in order to | D．so that |
I sent ______ e-mail to Amy to say thanks for her help with my study.
| A．a | B．/ | C．the | D．An |