________ is more important for a student, in my point of view, is to be creative rather than hard-working．

A．That

B．Which

C．What

D．It

It must have been something serious, ________ they wouldn't have radioed for help．

A．or else

B．in case

C．in that

D．or rather

As it turned out to be a small house party, we ________ so formally．

A．should have dressed up

B．can't have dressed up

C．must have dressed up

D．needn't have dressed up

He made a mistake, but then he corrected it ________ it got worse．

A．until

B．when

C．before

D．as

Ad-makers choose words and brand names carefully in order to make a deep impression of the product they are ________．

A．processing

B．promoting

C．providing

D．producing

For Japanese, ________ year is too short to lessen ________ pain and suffering of the nuclear disaster．

A．the; 不填

B．a; the

C．a; 不填

D．the; a

I hurt my leg yesterday, so I had to watch the ________ TV broadcast of the football match at home．

A．live

B．lively

C．alive

D．living

My sister is so hard-hearted that it is ________ no use trying to persuade her to do charity work．

A．partly

B．slightly

C．narrowly

D．definitely

A number of tests have been conducted to ________ that these drugs have no side effects．

A．find out

B．look for

C．make sure

D．work out

There is not much time left so I'll tell you about what has happened in ________．

A．detail

B．total

C．all

D．brief