When and where he came here _______ yet.
A.isn't known
B.aren't known
C.has not known
D.have not been known
试卷相关题目
- 1Scientists ______ SARS for several months before a major discovery was made in the field.
A.had been studying
B.have been studying
C.have studied
D.are studying
开始考试点击查看答案 - 2Never before _________a political party so whole - heartedly devoted to the interests of the people as our Party.
A.was there
B.has there been
C.is there
D.had there been
开始考试点击查看答案 - 3Mum, you really need to have a rest! You ______in the kitchen ever since you came back home three hours ago.
A.had worked
B.were working
C.have been working
D.worked
开始考试点击查看答案 - 4— Look! It ___________ again. —Yes. This is the third rain we __________ this month.
A.will rain: had
B.is raining; have had
C.rains; had
D.is going to rain; have had
开始考试点击查看答案 - 5--- Who broke the window? --- I _____.
A.had
B.broke
C.was
D.did
开始考试点击查看答案 - 6.Yang Liwei as well as the other two astronauts _______ to be the most qualified for space exploration.
A.considered
B.had considered
C.was considered
D.were considered
开始考试点击查看答案 - 7---“Excuse me, sir? Would you mind moving a little bit to the left? You ______ my view of the screen.” ---Oh, sorry I ________ it.
A.are blocking out; didn't realize
B.are blocking up; haven't realized
C.have blocked up; don't realize
D.have blocked out; didn't realize
开始考试点击查看答案 - 8--- Could you bring me that novel you __________ me about when I dropped in on you? --- Sorry, I can't. I have given it to a friend.
A.told
B.would tell
C.had told
D.had been telling
开始考试点击查看答案 - 9His cousin, who had just been _______ to Beijing University, was killed in a traffic accident.
A.accepted
B.confessed
C.recognized
D.admitted
开始考试点击查看答案 - 10Jack always sleeps late on Sundays. I am sure he _______ when we get home.
A.is still sleeping
B.is to be sleeping
C.will still be sleeping
D.will have been sleeping
开始考试点击查看答案