They discussed the problem three or four times, but could come to no ________．

A．end

B．conclusion

C．result

D．judgment

How was it that we were able to ________ untold hardships, overcome the most difficult and dangerous conditions and bring the revolution to victory?

A．survive on

B．survive from

C．survive

D．surviving

Having introduced the advanced scientific methods, the factory turned out ________ in 2006 as a year before．

A．as many as four times machines

B．four times machines as many

C．four times as many machines as

D．four times as many machines

When he finished the 1,500-metre race, he was out of breath, ________．

A．exhausted

B．exhausting

C．tiring

D．relaxed

Some people waste a lot of food ________ others haven't enough to eat．

A．however

B．when

C．as

D．while

I know this is not quite the right word, but I can't be ________ to think of a better one．

A．disturbed

B．bothered

C．troubled

D．worried

Her room is in great disorder, so her mother has given up trying to put her things ________．

A．in order

B．in need

C．in turn

D．in the place

There were so many people talking in the concert hall that I couldn't ________ the music．

A．concentrate on

B．fix upon

C．centre on

D．devote on

I like these English songs and they ________ many times on the radio．

A．taught

B．have taught

C．are taught

D．have been taught

－What do you think of the girl?

－She is ________ too sure of herself．

A．fairly

B．quite

C．rather

D．pretty