－What do you think of the grammar book?

－Oh, it really is ________ useful reference book, which is worth reading ________ second time．

A．a; a

B．an; the

C．an; a

D．the; the

________ sunshine and rainfall ________ a good harvest of fruits and vegetables this year．

A．A large quantity of; promise

B．A large number of; promise

C．A large quantity of; promises

D．Large quantities; promises

As we all know, the Internet will let people have ________ to huge amounts of information from their own homes．

A．entrance

B．way

C．means

D．access

－Have you heard of this new brand of computer, Mike?

－Yes, of course and I’ve decided to buy ________．

A．it

B．this

C．one

D．that

The children were not ________ for the accident．

A．blamed

B．to be blamed

C．being blamed

D．to blame

Listen!His family must be quarreling, ________?

A．mustn’t it

B．aren’t they

C．isn’t it

D．needn’t they

________ the sun sinks lower, shadow spread ________ the courtyard．

A．When; through

B．When; across

C．As; through

D．As; across

We read them ________; we remember them ________．

A．as young; as old

B．as younger; as older

C．when young; when old

D．when younger, when older

Doctor Brown says that ________ what forceful arguments against cigarette harm there are, many people insist on smoking．

A．though

B．however

C．no matter

D．even if

The government has taken some measures to solve the shortage of electricity, but it may be some time ________ the situation improves．

A．since

B．when

C．unless

D．before