Nobody could fly ________ the Wright brothers made the first flyer. [ ]A. af

题型：模拟题难度：来源：

Nobody could fly ________ the Wright brothers made the first flyer. [ ]
A. after
B. before
C. though
D. so that

答案

举一反三

I didn"t know he came back ________ I met him in the street. [ ]
A. since
B. when
C. until
D. after

题型：河北省模拟题难度：| 查看答案

—Would you please give this Mp3 to Mary.
—Sure, I"ll give it to her _______ she comes back. [ ]
A. before
B. as soon as
C. till

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—It"s been five years _______ we met last time.
—Yes. What a long time!

[ ]

A. when
B. until
C. since
D. while

题型：同步题难度：| 查看答案

_______ may happen, don"t lose heart. [ ]
A. However
B. was
C. Whenever
D. Whatever

题型：月考题难度：| 查看答案

The young man traveled all over the world _______ he had a man-made leg. [ ]
A. because
B. though
C. if
D. as

题型：月考题难度：| 查看答案