完成句子：(共5小题，10个空，每空1分，满分10分)

1.When the war ______  ______ (爆发), he was working in the navy.

2.I can’t ______  ______(想出)why she said that.

3.______  ______he is free will he come to see me.

4.______  ______ a good teacher, John made great progress in his English study last term.

5.If I have a choice I would ______  ______ choose something else.

---Must he come to sign this paper himself?

---Yes．He______ ．

—I plan to pay a visit to Peter this Sunday．

    —I agree. You know, he ________come to see us on Sundays when we were in USA.

    A. might          B. would          C. should          D. could

— Must he come to sign this paper himself?— Yes, he __________. 

A. need  B. mustC. may  D. will

 -- Must he come to sign this paper himself?

     -- Yes, he           .

     A. need            B. must            C. may           D. will