To my great joy,I found my lost wallet by a_______ in the back of the drawer.

They entered the area without ________（许可）.?

I don’t think they need to waste much time on this, ______?

A. don’t I　 B. do I　 C. do they　 D. don’t they

According to the newly-made traffic regulation, whoever drives through red light ________ be fined at least 200 dollars.

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

Keeping calm in the face of danger was _____he could do, after all he was only ten.
    A．the better      B．the best  C．the most         D．more

What about the two of us _____ a walk after supper?

A. to take 　 B. take　 C. taking 　 D. to be taking

---I’ be away on a business trip. Would you mind looking after my cat?

　 ---Not at all, ______ .

　　A. I've no time 　　 B. I'd rather not 　　　 C. I'd like 　　 D. I'd be happy to

Does the way you thought of ________ the water clean make any sense?

A. making B. how to make 　 C. to make 　 D. having made

—Do you know Liza quarreled with her boss ?

　 —I don’t know ,　　　 .

　 A. nor do I care 　　　　　　　 B. neither I will care C. I mind not D. don’t mention it