--- I am sorry I stepped outside for a smoke. I am very tired.

   --- There is no ______ for this while you are on duty.

 A.reason              B. excuse                    C. cause                      D. explanation

He made _____ known to his friends that he didn’t want to enter politics.

A. that                                                      B. it

C. himself                                                 D. him

--- I've studied gardening as a hobby. Could I make some suggestions?
--- ________
A. You will make it           　　 B. Go right ahead
C. Don't mention it       　　　　D. Take it easy

I'm sure you'd rather she went to school by bus，______？

A．hadn't you B．wouldn't you　 C．aren't I D．didn't she

________ is no reason for dismissing her.　

A. Because she was a few minutes late 　　　 B. Owing to a few minutes late

C. The fact that she was a few minutes late 　　 D. Being a few minutes late

In face of __ failure, it is the most important to keep up _____ good state of mind.

　 A．不填；a B．a; 不填 C．the; 不填　 D．不填；the

My worst fears were _____ when I saw what the exam questions were.

A. done　　　　　　　　　　 B. seen

C. finished　　　　　　　　 D. realized

_______has helped to save the drowning girl is worth praising.?

A.Who B.The one C.Anyone D.Whoever?

Jane had prepared carefully for her English examination so that she could be sure of passing it on her first____________.

A. intention　 B. attempt　　　 C. purpose　　 D. desire

The bell ______ the end of the period rang, ______ our heated discussion.

　　 A. indicating; interrupting　　 B. indicated; interrupting

　　 C. indicating; interrupted　　 D. indicated; interrupted