1 . They___________________________after school every day.(have)
他们每天放学后打扫教室。（根据汉语意思完成句子)

2 . —Did Jackson mend the computer himself?
—He________, because he knows nothing about computers.

A．mended it

B．had mended it

C．had it mended

D．has it mended

3 . The director had her assistant ___ some hot dogs for the meeting.

A．picked up

B．picks up

C．pick up

D．picking up

4 . Whom do you want to have_______ the living conditions of migrant workers?

A．improve	B．to improve
C．improving	D．improved

5 . —Why did you come by taxi?
—My car broke down last week and I still        it repaired.

A．didn’t have	B．hadn’t had
C．haven’t had	D．won’t have