He is recovering now. is no need to call in a doctor.
| A．It | B．There | C．This | D．That |
Chang’e Satellite is named after a famous Chinese fairy , who is said ______to the moon.
| A．having flown | B．to have flown | C．to be flying | D．flying |
The article suggests that when a person _______ under unusual stress he should be especially careful to have a well-balanced diet.
| A．is | B．were | C．be | D．was |
A group of young Americans have come to Beijing for a visit. Half of them, ___is, 50 persons, can speak Chinese fluently.
| A．that | B．which | C．who | D．it |
Without proper lessons, you could _______ a lot of bad habits when playing the piano.
| A．keep up | B．pick up | C．draw up | D．catch up |
My stomach ______ me. I thought it was going away, but now it’s getting worse and worse.
| A．was killing | B．is killing | C．kills | D．killed |