—Be careful, _____ you will make mistakes in your exam. —I know that. Thank you.

题型：0103 模拟题难度：来源：

—Be careful, _____ you will make mistakes in your exam.
—I know that. Thank you. [ ]
A. and
B. or
C. nor

答案

举一反三

Hurry up, _____ you will miss the train. [ ]
A. however
B. and
C. or

题型：0103 模拟题难度：| 查看答案

—Was the boy saved?
—No. The doctors tried their best, _____ they failed.

[ ]

A. and
B. or
C. but
D. so

题型：河北省模拟题难度：| 查看答案

It"s raining heavily _____ the farmers keep on working in the field.
A. but
B. though
C. till
D. because

题型：同步题难度：| 查看答案

Peter likes sports very much, _____ he doesn"t like football.
A. and
B. but
C. or
D. so

题型：同步题难度：| 查看答案

It"s dark, _____ he"s still working in the office.
A. and
B. so
C. but
D. until

题型：同步题难度：| 查看答案