Sometimes we go away for our vacation, but ________ we stay at home.

A．mostly

B．most

C．almost

D．hardly

The two boys were fighting each other, and it was hard for the old man to ________ them.

A．divide

B．separate

C．keep

D．prevent

Please explain the part that weather ________ in our country’s trade.

A．works

B．has

C．plays

D．gets

—Would you do me a favor and give me a ride?

—________ .

A.　　  Yes, that’s right. 　　　　　　　　　　　　 B. No trouble.

C. Never mind. 　　　　　　　　　　　　　　　　 D. With pleasure.

—Is John coming by train？

—He should, but he________ not. He likes driving his car.

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

His words remind me________we did during the summer vacation.

A. that 　　　　   　　 B. of that 　　　　　　 C. of what 　　　　   D. what

These machines ought________ once a week.

A. to be cleaned     B. to cleaned 　　    C. clean  D. be cleaned

Someone called me up in the middle of the night, but they hung up________I could answer the phone.

A. as 　　　　　　　　   B. since 　　　　　　   C. until 　　　　　　    D. before

—________ .

—Thank you. I certainly will.

A. How about discussing the problem now? 　　 

B. What can I do for you?

C. I greatly appreciate your help.

D. Remember me to your family

Though it was late,________ they kept on________in the fields.

A. but; working     B. /; work 　　　　    C. /; worked 　　    D. /; working