The World Health Organization gave a warning to the public without any ______when the virus of H1N1 hit Mexico in April, 2009. 

A. delay              B. effort              C. schedule          D. consideration

______ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.

A. Although              B. As long as           C. If only                  D. As soon as

--- Bill, can I get you anything to drink?

---        .

A. You are welcome                    B. No problem

C. I wouldn't mind a coffee              D. Doesn’t matter

According to statistics, a man is more than twice as likely to die of skin cancer _________ a woman.

A. than        B. such       C. so            D. as

I was out of town at the time, so I don’t know exactly how it _______. 

A. was happening        B. happened       C. happens         D. has happened

Some people who don’t like to talk much are not necessarily shy；they ______ just be quiet people.

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

—Would you please help me with the box?

—_________

A. Yes, please      B. No, please don’t    C. With pleasure    D. My pleasure

______ the project in time, the staff were working at weekends.

A. Competing    B. Having completed   C. To have completed   D. To complete

___ took them quite some time to finish the job.

        A. They      B.This     C.It        D.That

. ---Where will you start your work after graduation?

 ---Mmm, it's not been decided yet. I ____ continue my study for a higher degree.

A. need   B. must   C. would    D. might