Don"t touch anything in the lab _____ your teacher tells you to.[ ]A. if B.

题型：期末题难度：来源：

Don"t touch anything in the lab _____ your teacher tells you to.

[ ]

A. if
B. though
C. unless
D. even though

答案

举一反三

—How long have you worked here?
—______ 1989.

[ ]

A. In
B. For
C. Since

题型：福建省期中题难度：| 查看答案

Mr. Brown wants to know _____ you will go hiking or not.

[ ]

A. when
B. where
C. whether

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The headmaster said the School Air Festival will be put off ___ the bad weather.

[ ]

A. because
B. for
C. because of
D. thanks for

题型：期中题难度：| 查看答案

—When will my mum come to see me, Dad?
—She will come to see you ____ you finish your training.

[ ]

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

题型：期末题难度：| 查看答案

Kate knew nothing about it _____ I told her.

[ ]

A. since
B. because
C. until
D. after

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