--- _______ will the fog and haze(雾霾) last? ---I have no idea. There is no sign of an end.
| A．How long | B．How soon |
| C．How far | D．How often |
__________ interesting story it is, and I am so _____________ in it.
| A．What , interesting | B．Howan , interesting |
| C．How , interested | D．What an, interested |
—Did you get any information about this test?
— Well, I was trying to, but found________.
| A．nothing | B．no | C．some | D．None |
My mother_______ if she ________her work this week．
| A．comes back；finishes |
| B．comes back；will finish |
| C．will come back；finishes |
| D．will come back；will finish |
.---My brother fell off his bike and hurt himself. ---.
| A．Don’t worry | B．It doesn’t matter |
| C．I’m sorry to hear that | D．He should be careful |
Environment(环境) is very________，but you don’t understand the_______ of it，you always drop litter everywhere．
| A．important，important | B．important，importance |
| C．importance，importance | D．importance，important |