Only when the war was over _________ to his home-town．

A. did the young soldier return　　  B. the young soldier returned

C. returned the young soldier　　   D. the young soldier did return

Don't be afraid of asking for help _______ it is needed．

A. unless　　　　　　　　    B. since

C. although　　　　　　　　  D. when

If anybody calls，tell them I’m out，and ask them to _______their name and address．

A．pass　　　　 B．write　　　　　　 C．take　　　　    D．leave

Someone is ringing the doorbell．Go and see _______．

A．who is he    B．who he is    C．who is it    D．who it is

A computer can only do _______you have instructed it to do．

A．how　　    B．after　　　　 C．what　　    D．when

_______caused the accident is still a complete mystery．

A．What　　   B．That　　　　  C．How　　　　    D．Where

I read about it in some book or other；does it matter _______it was?

A．where　　    B．what　　　　 C．how　　　　   D．which

_______ fashion differs from country to country may reflect the cultural differences from one aspect．

A．What　　　　   B．That　　　　 C．This　　   D．Which

When yon answer questions in a job interview，please remember the golden rule：Always give the monkey exactly _______he wants．

A．what　　　　 B．which　　    C．when　　　　 D．that

Mr. Hall understands that _______ math has always been easy for him，it is not easy for the students．

A．unless　　    B．since　　　　  C．although　　　　 D．when