Only after ________ made hundreds of experiments ________ succeed in solving the problem.
发布时间:2021-08-12
A.they had; did they
B.had they; they did
C.they had; they did
D.had they; did they
试卷相关题目
- 1Only in this say ________ the bad habit—smoking.
A.can you get rid of
B.you can get rid of
C.you'll get away with
D.can get rid of
开始考试点击查看答案 - 2The number of students in the high school ________over 2 000.
A.have
B.has
C.are
D.is
开始考试点击查看答案 - 3About 40% of the travelers to Shanghai ________ from foreign countries.
A.comes
B.is
C.are
D.are coming
开始考试点击查看答案 - 4The best way to make sure we will feel and look fine ______ to develop healthy eating habits.
A.is
B.are
C.was
D.were
开始考试点击查看答案 - 5Mathematics ________ is very important to me.
A.is
B.were
C.are
D.had been
开始考试点击查看答案 - 6John didn't call his parents last week, ________ to them.
A.nor he did write
B.he nor write
C.nor did he write
D.nor he wrote
开始考试点击查看答案 - 7Learned _______ you are, you should learn from others _______ you go.
A.as; where
B.although; wherever
C.as; wherever
D.though; where
开始考试点击查看答案 - 8________ , he is always modest.
A.Successor as he is
B.Success as he is
C.As he is success
D.Success though he is
开始考试点击查看答案 - 9A cart and horse ________ coming to us.
A.has seen
B.are seen
C.is seen
D.have seen
开始考试点击查看答案 - 1070 percent of the surface ________ water.
A.is covered with
B.cover with
C.are covered with
D.covers with
开始考试点击查看答案