Why do you always drive to work ________ you could easily take the bus?

because

though

once

when

Most people are in favor of the ________ against smoking in public places．

collision

negotiation

prohibition

discrimination

Perseverance is a kind of quality, and that's ________ it takes to do anything well．

what

that

when

why

The price of agriculture products ________ since the beginning of last year．

is going up

had gone up

went up

has been going up

Our monitor is always ready to help others．He is really ________ Lei Feng in our class．

a

the

an

不填

Our parents have done a lot for us．I think we should ________ them by working hard．

relieve

repay

submit

respect

Police are now searching for a woman who is reported to ________ since the flood hit the area last Friday．

have been missing

have got lost

be missing

get lost

________ team wins on Saturday will go through to the national championships．

No matter what

No matter which

Whatever

whichever

Someone who lacks staying power and perseverance is unlikely to ________ a good researcher．

make

turn

get

grow

A modern city has been set up in ________ was a wasteland ten years ago．

what

which

that

where