The sentence doesn’t make any , no matter how you read it.
| A．contribution | B．room | C．sense | D．use |
. Some animals are in danger, and the scientists are doing ___ they can ___ them.
| A．that; to save | B．whatever; to save | C．what; save | D．the thing; save |
. The Olympic Games in the year 2008___ in Beijing of China, which known to us all.
| A．is to hold; is | B．is to be held; was | C．are to hold; is | D．are to be held; is |
. If law and order _____, neither the citizen nor his family is safe.
| A．are not preserved | B．is not preserved |
| C．were not preserved | D．have not been preserved |
The boy and girl each _____ their own toys.
| A．has | B．have | C．are having | D．is having |
He is, however, one of those restless people who never ___ content with their present environment.
| A．have seemed | B．seemed | C．seems | D．seem |