15、Pierre was angry ______ his son for not having done anything.

A．on          B．about          C．with         D．at

14、Last night I stayed up too late, ______ I’m really sleepy now.

A．but         B．so         C．or           D．for

13、People should use ______ cars to make ______ pollution.

A．fewer, less              B．more, less         C．fewer, more         D．less, more

12、The number of ______ in each class of our school ______ fifty. 

A．student, is     B．the students, are      C．the students, is       D．students, are

11、—Are you going to swim in the river tomorrow morning?

—Yes. But it ______ the weather at last.

A．looks         B．looks at        C．depends          D．depends on

10、—Andy, will you answer the telephone? It ______ be your father. 

—Sorry, I ______. I’m having a shower. 

A．can, mustn’t        B．may, can’t        C．will, can’t          D．need, will

9、So far, more than ten thousand trees _____ on that hill.

A．are planted          B．have planted          C．will plant         D．have been planted

8、We are going for a picnic tomorrow. I’ll call Wendy to make sure ______.

A．what to start         B．why to start         C．when to start         D．which to start

7、—______ were you late for school last year?

—Never. I always got to school early every day.

A．How often         B．How far             C．How long         D．How soon

6、The middle-aged man ______ I talked to in the street just now is Li Dong’s father.

A．what          B．who          C．which          D．where