2 . Let’s keep to the point or we __________ any decisions.

A．will never reach	B．have never reached
C．never reach	D．never reached

3 . In any unsafe situation, simply ________ the button and a highly-trained agent will get you the help you need.

A．press	B．to press
C．pressing	D．pressed

4 . I don’t suppose he cares, ______?

A．does he

B．doesn’t he

C．do I

D．don’t I

5 . I told him how __________ (harm) plastic could be to the environment and asked him to consider using more eco-friendly options. （所给词的适当形式填空）

6 . Melissa, ________ the alarm clock for 6 o’clock, or you will oversleep and be late for the train.

A．set

B．setting

C．sets

D．to set

9 . It could be anything — gardening, cooking, music, sports but whatever it is, ________ (make) sure it's a relief from daily stress rather than another thing to worry about. (所给词的适当形式填空)