Instead of sand blowing everywhere, there is mud and water everywhere, ________ it difficult to travel from place to place.
| A．making | B．to make |
| C．having made | D．having been made |
The _________ look on his face suggested he didn’t know the fact.
| A．surprise | B．surprised | C．surprising | D．amazing |
The teacher ____________his students to leave the classroom as soon as possible .
| A．required | B．suggested | C．demanded | D．desired |
Most Americans would prefer to keep their problems _________ themselves and solve their problems __________ themselves.
| A．to ,by | B．by ,to | C．for,to | D．in,on |
— How about a film tonight?
— __________ I haven’t been to the cinema for a long time.
| A．Yes, thanks. | B．Why not? | C．No, go away. | D．It’s a pity. |
— What do you think of the book?
— Oh, excellent. It is worth __________ second time.
| A．to read a | B．read a | C．reading a | D．being read a |