It was raining heavily. Little Tom felt cold so she stood ______ to her mother.
A. closely B. closed C. closing D. close
On the top of the hill ______ many trees.
A. stand B. stands
C. is standing D. have stood
______ understand fully how film reacts to light, it is necessary to study the chemicals in the film.
A. In order to B. So as to
C. So that D. In order that
There ______ the bell.
A. go B. goes C. is going D. is ringing
Which of the following sentences is RIGHT?
A. Not until his son came back did he go to bed.
B. Not until his son came back he went to bed.
C. Not until did his son come back he went to bed.
D. Not until did his son come back did he go to bed.
It is strange that he ______ there.
A. send B. is sent
C. should be sent D. is sending
