The young mother kept ______ the house with three children in it , because she wanted to keep it ______.

A. cleaning; clean B. cleaning; cleaning C. clean; clean D. clean; cleaning

We should practise speaking English ________ to improve our spoken English.

A. as many as possible B. as much as possible

C. as possible as we can D. as possible as we could

--- Do you have any money with you?

--- Sorry, I have ________ left.

A. nothing B. no one C. everything D. none

The rich man much food the poor families during the hard time.

A. provides; at B. provides; withC. provided; withD. provided; for

_________ time went on, I got to know more and more about him.

A. Though B. As C. Because D. While

Linda _____ come to meet me at the station, but I’m not sure.

A. must  B. need C. may  D. should

All the _________ things need air and water. Without air or water, nothing can stay _______.

A. living; living B. living; alive C. alive; alive D. alive; living

He didn’t listen to the teacher carefully, __________, he couldn’t answer the questions.

A. for example B. even though C. as a result D. as usual

As we all know, the number of Tibetan antelopes(藏羚羊) ________ becoming ___________.

A. is; less and less B. are; less and less

C. is; smaller and smaller D. are; smaller and smaller

--- I will go to the countryside to see my grandmother this afternoon, so I can’t go swimming with you . 

--- ______ .

A. It’s my pleasure.       B. You are welcome.      C.  That’s a pity.        D. Sure, I am.