[单项选择]Jack ______ from home for two days now, and I am beginning to worry about his safety.
A. has been missing
B. has been missed
C. had been missing
D. was missed

[单项选择]Jack ______ from home for two days now, and I am beginning to worry about his safety.


A. has been missing
B. has been missed
C. had been missing
D. was missed

[单项选择]Jack________ from home for two days now, and I am beginning to worry about his safety.
A. has been missing
B. has been missed
C. had been missing
D. was missed

[单项选择]Which does NOT belong to the two unique days in American history
A. Thanksgiving Day.
B. Christmas Eve.
C. Independence Day.
D. National Day.

[单项选择]You have stayed at home for two days. It’s time you ____ for a walk.
A. go out
B. went out
C. will go out
D. would go out

[单项选择]I haven't seen Diana these past few days. I am afraid she ______ herself for some time.

[单项选择]Within two days, the army fired more than two hundred rockets and missiles at military ______ in the coastal city.
A. goals
B. aims
C. targets
D. destinations

[单项选择]

On the past few days, two nations with large numbers of AIDS-infected people have announced plans to distribute a triple cocktail of life-prolonging antiretroviral drugs free to all who need it. China has been treating 5,000 patients and plans to expand the program to cover everyone in the country. South Africa’s cabinet approved a plan that includes drugs for all who need them.
China spent years denying it had an AIDS problem. Until recently, South Africa’s top officials minimized the epidemic, questioned whether H. I. V. was the cause of AIDS and labeled antiretroviral drugs "poisons". Both countries have now taken a courageous and essential step.
But only one is likely to succeed. Indeed, China’s program is already failing. One in five Chinese who have received antiretroviral drugs has already stopped taking them, which can lead to the creation of drug-resistant strains of the virus. China has only about 100 doctors nationwide with e
A. worried.
B. indifferent.
C. optimistic.
D. frustrated.

[单项选择]Jack called from Canada as（）as he arrived there.
A. soon
B. quickly
C. possibly

[单项选择]Two days past before he realized that the task was beyond his capacity.
A. past
B. before he
C. beyond
D. capacity

[单项选择]A client had a nephrectomy 2 days ago and is now complaining of abdominal pressure and nausea. What should the nurse do first

[单项选择]The mail was delayed for two days because of the snowstorm.
A. held on
B. held up
C. held down
D. held off

[单项选择]We had a marvelous holiday. Only the last two days were slightly ______ by weather.
A. damaged
B. enhanced
C. spoiled
D. diminished