It is necessary that the plan_____

单选题 It is necessary that the plan______before Thursday.

A． were fulfilled
B． was fulfilled
C． be fulfilled
D． would be fulfilled

【答案】C。解析：句型It is neccessary that…+(should)+V(动词原形)…表示“……是必须的”。句意为这个计划必须在周四前完成。因此答案为C。

1 You______ all those calculations!We have a computer to do that sort of thing.

A． needn't have done
B． must not have done
C． shouldn't have done
D． could not have done

2 At last the girl received the letter she______ for so long a time.

A． has been expecting
B． had been expecting
C． was expecting
D． had excepted

3 She told her children that they must not______ play with matches.

A． by no means
B． in no sense
C． on any account
D． to good account