Sent to the zoos in Beijing and other cities, the monkeys are reported ______.
| A．to settle down | B．to settle in |
| C．to have settled in | D．to have settled down |
I found John _____ the desk, _____ his homework carefully.
| A．seated at; to do | B．sitting at; doing |
| C．sat at; does | D．taking his seat at; to do |
We must set about _____ our lesson for the mid-term examination.
| A．reviewing | B．reviewed | C．to review | D．to reviewing |
I can't understand _____ at that poor child.
| A．you to laugh | B．you laughing | C．you laugh | D．why laugh |
–Can you spare me some time? –I'm afraid not. I have lots of letters _____.
| A．doing with | B．to do for | C．to deal | D．to deal with |
The patient was warned _____ oily food after the operation.
| A．to eat not | B．eating not | C．not to eat | D．not eating |