It ________ long before we ________ the result of the experiment．

A．will not be; will know

B．is; will know

C．will not be; know

D．is; know

It is said in Australia there is more land than the government knows ________．

A．it what to do with

B．what to do it with

C．what to do with it

D．to do what with it

E-mail, as well as telephones, ________ an important part in daily communication．

A．is playing

B．have played

C．are playing

D．play

The meat you bought last week ________ terrible．It_______ bad．

A．smells, must go

B．smells, must have gone

C．is smelt, must go

D．is smelt, must have gone

The school has only been open for six months, so it’s hard to ________ its success．

A．weigh

B．measure

C．evaluate

D．estimate

Only in this way ________ to make improvements in the operating system．

A．you can hope

B．you did hope

C．can you hope

D．did you hope

He drew the picture quite ________ the others．

A．different from

B．different with

C．differently from

D．differently with

I spent the morning trying to ________ the documents I needed．

A．round up

B．round off

C．round out

D．round on

She feeds the baby ________ milk and hay ________ her cattle．

A．on; to

B．to; on

C．with; on

D．on; with

It is not rare in ________ that people in ________ fifties are going to university for further education．

A．90s; the

B．the 90s; /

C．90s; heir

D．the 90s; their