________ we admit that there are still some problems about NMET, we don’t mean that it is of no use．

A．Until

B．While

C．As

D．Unless

The newcomer is from Japan, ________ I can tell from his appearance．

A．which

B．what

C．where

D．who

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

The managing director was to ________ the accident, although it was not his fault．

A．be blamed for

B．be blamed on

C．blame for

D．blame on

－I didn’t go to the Museum yesterday．

－Yes, but I would rather you ________ there too．

A．went

B．had gone

C．should go

D．would have gone

________ we move the picture over there?Do you think it will look better?

A．If only

B．What if

C．As if

D．Even if

－I thought you wouldn’t mind．

－Well, as a matter of fact I ________; but you should have asked me first．

A．did

B．do

C．won’t

D．don’t

________ doesn’t seem to have been much difficulty in solving the problem．

A．It

B．That

C．There

D．He

－There is a lot of smoke coming out of the teaching-building there．

－Really?It ________ be a fire, most probably．

A．can

B．ought to

C．have to

D．must

I ________ violin lessons every two weeks, but I think I’ll make it every week from next month．

A．am having

B．to screen

C．screen

D．screened