Could I speak to ________  is in charge of International Sales please?

A. who                     B. what       C. whatever          D. whoever

—Where are the students? How could they keep us waiting for so long? 

—They started an hour ago and they________ be here in fifteen minutes, I think.

A. can                         B. would        C. must                      D. should      

.—How I wish we studied ________ there are fewer exams!

—You're joking!

A. in which                B. where       C. the place where        D. in where

Many of my students, __________ Zhang Hua and Li Yong, are working very hard, and we should learn from them.

A. for example              B. such as             C. that is               D. as well

I won’t give you any help __________ you tell me the truth. It’s none of my business.

A. unless                      B. since                 C. as though          D. even though

________while writing, he locked himself in his study.

A．Not to interrupt                     B．Not being interrupted

C．Not to be interrupted             D．Being not interrupted

—Shirley, can I have a look at your photos?

—________.Here you are.

A．By any means          B．By no means  C．By this means   D．By all means

He ________ whether the articles exhibited at the back of the department store were for sale.

A．demanded              B. decided             C．required       D．requested

 The further falling of the stock market as reported today has ________ a fresh wave of selling.

A．given off       B．set off                  C．put off        D．got off

I'm interested in a one?bed room. Do you have any ________？

A．convenient　 　　　 B．available 　　　　 C．possible　 　 D．personal