Probability is the mathematical study of the _____ of an event's occurrence.

　 A. desire　 B. likelihood　 C. result　 D. effect

--You’ve been driving for hours．Shall I ________？

　 --No, that’s OK．I enjoy driving and I know you hate it, especially on the highway．

　 A．take back 　 B．take on　　　　 C．take over 　　　　　 D．take up

In those days, the old woman     sit at the gate for hours, waiting for her son to return from the front.
 A. could        B. should       C. might       D. would

Mr. Chen said the revision would be finished by January, ________ ,personally , I doubt very much.

A. it　 B. that　 C. which D. what

Rather than ________ time playing computer games as usual, I preferred to ________ the content of maths.

A．waste; review B．wasting; reviewing

C．to waste; review D．to waste; reviewing

He is old enough to travel ________. After all, he is already 18 years old.

A. on his own 　　 B. of himself 　　 C. of one’s own 　　　 D. at the moment

— When can I see you, Mr Black? Three o’clock this afternoon?

— Oh, no. I ________ a meeting then.

A. will have　 B. will be having C. am having　　 D. have

Some of the boys whom ______ didn’t come.

　 A. I invited them　 B. I invited　 C. I invite them　 D. I invite

First，it is important to recognize what kind of person you are and which special qualities make you different from　　　 .

A.everyone else　　　　 B.the other?　　　 C.someone else　　　　　 D.the rest

His parents wouldn't let him marry anyone ________ family was poor.

A. of whom　　 　　　　　　　　 B. whom

C. of whose　　 　　　　　　　 D. whose