--– John seems happy, even though his wife left him and he lost his job.

　 ---- I think he _____to put on a brave face.

A will try B has tried C tries D is trying

Although she is only 17 years old，she ________ drugs for two years.

A. addicts 　　　　　　　　　 B. has addicted to

C. has been addicted to 　　　 D. has been addicted

Some people consider the reason of most crimes as being g__________ for money.

Nobody but doctors and those ______ by Dr Zhang ______ to enter the patient’s room.

A. invited; is allowed　　　　　 　　　　　　　 B. are invited; are allowed

C. being invited; is allowed　　　 　　　　　　 D. being invited; are allowed

The manager was worried about the press conference his assistant______in his place but, luckily, everything was going on smoothly.

A. gave　 B. gives　 C. was giving　 D. had given

George Bush, p_________ of the USA , visited our country last year.

Martha wanted to donate kidney to her father, and the results of the medical tests came in: She was a(n) _______.

A. suit　　　 B. fit　　　　　 C. match　　　　　　 D. agreement