Up to now, they _________ a good way to solve that problem.
A.didn't find
B.can't find
C.hadn't found
D.haven't found
试卷相关题目
- 1He will stop showing off, if no notice _________of him.
A.is taken
B.will be taken
C.takes
D.has taken
开始考试点击查看答案 - 2Polly observed that she ______ by a tall man in a dark coat when she ______ the faces around her on the train.
A.was watched; stared at
B.was being watched; glanced at
C.was being watched; glared at
D.was watched; looked at
开始考试点击查看答案 - 3By the end of this year, 160 new students _________in the English Department of this world famous university.
A.have enroll
B.will have enrolled
C.have been enrolled
D.will have been enrolled
开始考试点击查看答案 - 4---The window must have taken you quite a lot of time that day. --- You are right. They ________ for weeks.
A.haven't been cleaned
B.hadn't been cleaned
C.didn't'clean
D.haven't cleaned
开始考试点击查看答案 - 5You can't miss him. He_____ a dark green suit and a yellow tie waiting for you then.
A.is wearing
B.will wear
C.wears
D.will be wearing
开始考试点击查看答案 - 6Up to now, he _______ most of the works by Mark Twain.
A.is reading
B.has read
C.will read
D.reads
开始考试点击查看答案 - 7Now then, children, it's right time you ______.
A.wash and dress
B.are washed and dressed
C.will wash and dress
D.were washed and dressed
开始考试点击查看答案 - 8— I'm really glad to see you back.. ______ your trip to the valley interesting? — No. it ______ very heavily there the whole time.
A.Was; was raining
B.Is; had rained
C.Was; was to rain
D.Is; has been raining
开始考试点击查看答案 - 9Their wages ________ by a full third in the past two years.
A.had gone down
B.would go down
C.have gone down
D.goes down
开始考试点击查看答案 - 10—Remember how we met the first time, Dick? —Of course I do. You _________ to the teachers' office hurriedly and _________ me.
A.were walking; didn't notice
B.had walked; weren't noticing me
C.had been walking; noticed
D.walked; had noticed
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