Thank you for all your hard work last week. I don’t think we ______ it without you.

  A. can manage     B. could have managed     C. could manage    D. can have managed

It is usually warm in my hometown in March, but it ______ be rather cold sometimes.

  A. must           B. can              C. should            D. would

Candidates ______ remain in their seats until all the papers have been collected.

  A. must            B. shall              C. may              D. can

The boss has given everyone a special holiday, so we _____ go to work tomorrow.

A. can’t     B. mustn’t        C. needn’t      D. shouldn’t

 The classroom is so dirty. _________ we clean it?

A. shall  B. Will  C. Would  D. Do

I wonder how he ______ that to his grandmother who brought him up.

   A. dare to say     B. dare saying         C. not dare say       D. dared say

Jenny _______ have kept her word. I wonder why she changed her mind.  

  A. must   B. need    C. should    D. could

Having failed the exam, the little boy ______ go home and face his father.

A. dares not to      B. dare not       C. dare not to      D. dares not

---Was it the new school headmaster who walked by ?

--- _____.

A. It must be that    B. It must have been     C. He must be      D. This must have been

她爸爸不允许她嫁给那个穷男孩，这使得她很难过。

Her father _____________ her __________ marrying the poor boy, which made her very sad.