— It’s raining. When did it start?
— As far as I know, it ____ for three hours.
A. rains B. rained
C. has rained D. will rain
I _______ the CDs to you if I have time tomorrow.
A. return B. returned
C. have returned D. will return
— What are the neighbors doing, Joe?
— Oh, they _______ a party.
A. have B. had
C. are having D. have had
Our English teacher, Mrs. Black, ________ in our school since 1992.
A. works B. worked
C. will work D. has worked
The Olympic Games ________ every four years.
A. are held B. were held
C. are holding D. will hold
The old people and the children must ____________ in our country.
A. take good careB. be taken good care
C. take good care ofD. be taken good care of
