—Why didn"t Betty come to school yesterday? —_____she was ill. [ ]A. B

题型：同步题难度：来源：

—Why  didn"t Betty come to school yesterday?
—_____she was ill.  [     ]
A. But
B. Though
C. If
D. Because

答案

举一反三

Will you help him _____ you see an old man lying in the middle of the street?[     ]
A. though
B. when
C.  because
D.  unless

题型：上海期末题难度：| 查看答案

Susan did quite well in the final exam ________ she had missed two weeks" lessons.[ ]
A) though
B) if
C) because
D) unless

题型：上海期末题难度：| 查看答案

—I don"t know _________ or not Simon will come here.
—Don"t worry. ________he comes, I"ll call you at once.[     ]
A. whether; Whether
B. whether; If
C. if; Whether
D. if; If

题型：期末题难度：| 查看答案

We knew little about Shu-How Lin, a basketball player from New York Knicks, _____ we watched the
basketball matches in NBA. [ ]
A. until
B. if
C. so
D. because

题型：江苏省模拟题难度：| 查看答案

David didn"t give up ______ he had failed in the experiment four times．      [     ]
A. if
B. while
C. though
D.since

题型：江苏省模拟题难度：| 查看答案