Although ______ happened in the developed country sounds like science fiction, it could oc

anguage.

A．another

B．the other

C．other

D．any other

Women are better than men at detecting sweet, sour, salty, ______bitter tastes.

A．than

B．or

C．as

D．and

by 2020.

A．recovery

B．event

C．potential

D．trend

We had to wait in line for 30 minutes because only a few clients were allowed in______.

A．at one time

B．at all times

C．at certain times

D．at no time

t.

A．behind time

B．on time

C．in time

D．well ahead of time

tion?

A．to improve

B．improving

C．to have improved

D．having improved

As a place where east______west, Berlin is one of the busiest cities in the world.

A．beats

B．meets

C．reaches

D．switches

Just leave your bags there and I 11______the porter to carry them to your room.

A．leave

B．have

C．let

D．get

You should______that there are no grammar and spelling mistakes in your essay.

A．look out

B．find out

C．make sure

D．keep aware

If I had the time, I______on a holiday like that in Spain.

A．would go

B．would have gone

C．had gone

D．will go