Although the causes of cancer_____, we do not yet have any practical way to prevent it.
A.are being uncovered | B.have been uncovering | C.are uncovering | D.have uncovered |
My parents have promised to come to see me before Ifor Africa.
A. | have left | B. | leave | C. | left | D. | will leave |
Excuse me, Marcia, a reporter from Vanity Fairall day. Could you speak to her now?
A. | phones | B. | has phoned | C. | has been phoning | D. | phoned |
According to the literary review, Shakespeare ____ his charities live through their language in his plays.
A.will make | B.had made | C.was making | D.makes |
-Why does the Lake smell terrible?
-Because large quantities of water.
A. | have polluted | B. | is being polluted | C. | has been polluted | D. | have been polluted |
Would you please keep silent? The weather report andI want to listen.
A. | is broadcast | B. | is being broadcast |
C. | has been broadcast | D. | had been broadcast |
When he _______ the door, he found his keys were nowhere.
A.would open | B.opened | C.had opened | D.was to open |
--- Hi, Terry, can I use your computer for a while this afternoon?
--- Sorry. ______.
A.It' s repaired | B.It has been repaired |
C.It's being repaired | D.It had been repaired |
---Do you want a lift home?
---It’s very kind of you, but I have a much late in the office. I overslept this morning because my morning clock _______.
A.doesn’t go off | B.won’t gone | C.wasn’t going off | D.didn’t go on |
------- What is the price of petrol these days
-------Oh, itsharply since last month.
A. | is raised | B. | has risen | C. | has arisen | D. | is increased |
At present, one of the apartments in favor of the new airport ________ that it will going a lot jobs to the area.
A.is | B.are | C.will be | D.were |
This is the first time wenta film in the cinema together as a family.
A. | see | B. | had seen | C. | saw | D. | have seen |
Dr. Smith, together with his wife and daughters, _____visit Beijing this summer.
A.is going to | B.are going to | C.was going to | D.were going to |
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 |