Evidence of a powerful volcano, which erupted under the ice sheet of West Antarctica around 325BC and might still be active now, __________ so far by British scientists.
A.confirmed | B.has confirmed |
C.is confirmed | D.has been confirmed |
—How is the debate of your essay?
—It ____ well, but I ____one of the key points.
A.might work; hadn’t forgot | B.needn’t have worked; forgot |
C.could have worked; forgot | D.would work; hadn’t forgot |
The nationwide smog serves as a constant reminder, indicating that it’s high time we ______ on ourselves.
A.would reflect | B.have reflected |
C.are reflecting | D.reflected |
---We've spent too much money recently.
---Well,it isn't surprising. Our friends and relatives ______ around all the time.
A.are coming | B.had come | C.were coming | D.have been coming |
---- Did you know any German before you got to Berlin?
---- Not a single word _________.
A.have I learned | B.had I learned |
C.I’ve learned | D.I had learned |
It won’t be too long before we_____a way to smooth away these difficulties.
A.work out | B.willworkout |
C.had worked out | D.are working out |
When I met him the other day,it was the first time we ______ each other since we graduated from school.
A.saw | B.have seen |
C.were seeing | D.had seen |
I ______ to go on a diet, but the dishes at the party were simply impossible to resist.
A.had intended | B.am intending | C.intend | D.could intend |
---I didn’t expect that John would be absent from my last Sunday’s birthday party.
--- As far as I know, he ______ to see his parents in the countryside on Sundays.
A.goes | B.went |
C.has gone | D.had gone |
Police are now searching for a woman who is reported to since the flood hit the area last Friday.
A.have been missing | B.have got lost |
C.be missing | D.get lost |
Tom, our manager, ________ for American in two days and he has asked me to find out when the earliest plane ________ next Sunday.
A.is leaving; takes off |
B.will leave; is taking off |
C.is to leave; is going to take off |
D.leaves; will take off |
At the age of 14, Father had to leave school and start working. There would be no one to support the family _______ he not worked.
A.did | B.has | C.had | D.was |
— Have you read the novel?
— Yes. I ________ it three times while I was in university.
A.had read | B.read |
C.have read | D.was reading |
Mr. Baker including some tourists ______ the Great Wall before, so they headed for the Forbidden City.
A.has gone to | B.have gone to |
C.has been to | D.have been to |