It was not until she got home ________Jennifer realized she had lost her keys．

A．when

B．that

C．where

D．before

After two years'　research, we now have a　________ better understanding of the disease．

A．Very

B．far

C．fairly

D．quite

VOA broadcasters wanted to make English easier to understand by listeners________native language was not English．

A．which

B．that

C．whose

D．what

Why don't you just ________ your own business and leave me alone?

A．make

B．open

C．consider

D．mind

________matters most in learning English is enough practice．

A．Why

B．What

C．Where

D．Which

If the weather had been better, we could have had a picnic．But it ________all day．

A．has rained

B．rains

C．rained

D．is raining

It's not ________good idea to drive for four hours without ________break．

A．a; a

B．the; a

C．the; the

D．a ;the

After the financial crisis, new measures taken by the government brought new development opportunities and helped the industry back to rapid growth path．Now, trade is ________ again．

A．picking up

B．sending up

C．setting up

D．making up

The beautiful mountain village ________ we spent our holiday last year is located in ________ is now part of Guangxi．

A．which; where

B．where; what

C．that; what

D．when; which

I didn't know your detailed address; otherwise, I ________ you the moment I got to Beijing．

A．had visited

B．must have visited

C．would have visited

D．would visit