Ignorance and negligence____this mistake.
A.cause
B.have caused
C.has caused
D.are
试卷相关题目
- 1The wheel and axle____a rotating lever.
A.is
B.was
C.are
D.were
开始考试点击查看答案 - 2There____in this room.
A.are too many rooms
B.are too much room
C.are plenty of rooms
D.is plenty of room
开始考试点击查看答案 - 3A large number of cars____parked in front of my house.
A.is
B.are
C.was
D.has
开始考试点击查看答案 - 4The total number of articles published on cancer____amazing.
A.are
B.is
C.have been
D.be
开始考试点击查看答案 - 5The office staff____gathered to hear the President speak.
A.is
B.are
C.be
D.will
开始考试点击查看答案 - 6Truth and honesty____always best policy.
A.are
B.is
C.have been
D.become
开始考试点击查看答案 - 7No sulfur and no phosphorus(磷) ____present in this product .
A.are
B.were
C.will
D.is
开始考试点击查看答案 - 8Every hour and every minute____important.
A.are
B.were
C.is
D.will
开始考试点击查看答案 - 9In each room____ten students.
A.are
B.is
C.there is
D.there was
开始考试点击查看答案 - 10____from the tenth floor when the policeman pointed his pistol at him.
A.Jumped down the burglar
B.Down the burglar jumped
C.The burglar jumping down
D.Down jumped the burglar
开始考试点击查看答案
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