Weshouldkeepquietinthelibrary．-优题课

We should keep quiet in the library． We_____speak loudly．（　　）

A．

must

B．

mustn't

C．

can

D．

needn't

科目英语题型选择题难度中等

知识点：情态动词

What should we do to protect the fish in the river？

We_______ throw rubbish into the river．（　　）

need

needn't

must

mustn't

Tom was not listening carefully，so he failed to hear ．（　　）

A．	what the teacher said
B．	how the teacher said
C．	what did the teacher say
D．	how did the teacher say

I think that you need to eat sweets and more fruit．（　　）

few

fewer

little

less

We talked about the problem and Tim ____ doing some research first．（　　）

finished

enjoyed

suggested

practiced

________ Simon has done well in his studies，he still works really hard．（　　）

Although

Because

Unless

When