He went to the payphone to make a call but the phone .
| A．is broken | B．has broken | C．was broken | D．would break |
He ________ his aunt the day he arrives in Beijing.
| A．visits | B．is visiting |
| C．visited | D．is going to visit |
He is a difficult person, for he ___________________ about everything.
| A．often complained | B．is always complaining |
| C．complains | D．will complain |
All visitors to the village ________ with claps.
| A．welcome | B．are welcomed |
| C．are welcoming | D．had been welcomed |
Christopher ________ charity work by raising a lot of money to promote medical research.
| A．came to | B．came up with |
| C．pulled through | D．got involved with |
Yang Liwei showed the flags of China and the United Nations, ________ the wishes of Chinese people to use space peacefully.
| A．expressing | B．expressed |
| C．to express | D．express |