1 . We must take two aspects into consideration , both of _______ associated with the safety of the students .

A．which	B．them
C．that	D．whom

2 . He __________ with business matters . Otherwise , he would have given you a hand .

A．had been occupied	B．occupied
C．had occupied	D．was occupied

3 . Give it a minute __________ you’ll be able to see the result better .

A．but

B．till

C．and

D．or

4 . We must take measures to stop various kinds of pollution ______ the environment gets worse.

A．unless	B．until
C．before	D．when

5 . Whatever happens, you may depend on ________ that I will be with you.

A．it	B．/
C．what	D．that

6 . __________ in the new on-line game , he missed the final boarding call of his flight .

A．Absorbed	B．Absorbing
C．Having absorbed	D．Being absorbed

7 . —It seems a little ugly to me.
— ________，I think it’s rather beautiful.

A．In other words	B．On the other hand
C．On the contrary	D．In a nutshell

8 . It sounds like something is wrong with the car’s engine. ________, we’d better take it to the garage immediately.

A．Otherwise	B．If not
C．But for that	D．If so

9 . ---Hello, Jack. Tracy here. It’s about our ________ on Sunday morning. I’m afraid I can’t make it now.
----That’s OK, but you need to find another date.

A．admission	B．application
C．agreement	D．appointment

10 . The abrupt change of the climate has drawn __________ worldwide attention to __________ benefit of green energy .

A．a ; /	B．/ ; the
C．a ; the	D．the ; /