40. —Shall Tom go and play football? —Not ________ he has finished his homework.
发布时间:2021-07-27
A.when
B.if
C.unless
D.once
试卷相关题目
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A.that
B.since
C.when
D.before
开始考试点击查看答案 - 2. ____ I am concerned, we should be brave and we will reach the top of the hill at last ____ we try our best to climb the hill.
A.So long as; as long as
B.As far as; as longer as
C.So long as; as far as
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开始考试点击查看答案 - 3The newly built café, the walls of_______ are painted light green, is really a peaceful place for us, specially after hard work.
A.that
B.it
C.what
D.which
开始考试点击查看答案 - 4 The UN has warned that,_____ natural systems like forests and wetlands disappear , mankind is losing the services they provide such as protection from extreme weather.
A.while
B.once
C.when
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开始考试点击查看答案 - 5When astronauts return to the earth's atmosphere, helicopters fly to________they would land, ready to collect them.
A.what
B.where
C.which
D.that
开始考试点击查看答案 - 6Your sister has grown up. She is no longer __________ she five years ago when I first saw her.
A.what
B.who
C.whom
D.which
开始考试点击查看答案 - 7She had hardly got back to the kitchen ________ the doorbell rang.
A.when
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开始考试点击查看答案 - 8It still puzzles today's scientists ______ some mammals produce their young ______ others lay eggs to produce their offspring( 后代)
A.that; while
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开始考试点击查看答案 - 9The humans are destroying nature day by day,__________of course,will cause severe punishment from it sooner or later.
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开始考试点击查看答案 - 10Why is it _____ he can't get along well with his classmates?
A./
B.this
C.that
D.it
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