Besides proper diet, exercise is one of the key ___________of a healthy lifestyle.
| A．categories | B．components | C．ranges | D．processes |
Had it not been for the fact that she ____ in the accident, she ____ in the race．
| A．got injured; would have competed |
| B．had got injured; would compete |
| C．would be injured; would have competed |
| D．should be injured; would compete |
I don't think a warm winter always has a negative influence on our life, _____?
| A．do I | B．does it | C．hasn't it | D．don't I |
------Did the policeman let you in?
------No, ________ I told him who I was．
| A．Unless | B．Once | C．as though | D．even if |
I called him many times, but I didn’t get through, maybe his mum _on the phone all the time．
| A．talked | B．was talking | C．has talked | D．had talked |
-----Shall I give you a ride as you live so far away？
------- Thank you． ____________．
| A．Of course you can | B．If you like |
| C．It couldn’t be better | D．It’s up to you |