49. _____ he realized it was too late to return home.

 A. No sooner it grew dark than           B. Hardly did it grow dark when

 C. It was not until dark that            D. It was until dark that

—— Do you know Jim quarreled with his brother？

 I don't know, and ______ .

 A. nor don't I care                     B. nor do I care   

C. I don't care neither                 D. I don't care also

____ ， I will not buy it.

A. Much as do I like it               B. As much I like it

C. Much as I like it                  D. As I like it much

The little hero could be seen with his legs __ around the truck and his blond head __ out above the branches.

A. wrapped, sticking   B. wrapping, sticking  C. wrapped, sticked  D. wrapping, sticked

You won’t succeed __ you work hard.

A. if   B. unless   C. whether  D.because  

The Olympic Games ____held every ____years.

A. is； four            B. are； four         C. is； five     D. are； five

A number of students _____from the south.

A. are                    B. is                C. have        D. has

Both the secretary and the manager _____agreed to attend the meeting.

A. has                 B. have                 C. are            D. was

____ either of your parents come to see you recently?

A. Have             B. Had                  C. Has            D. Is

Theis is one of the most interesting questions that ____ asked.

A.have                    B.has             C. have been       D.has been