—It"s 10 o"clock now. I must go. —It"s raining heavily outside. Don"t leave ____

—It"s 10 o"clock now. I must go. —It"s raining heavily outside. Don"t leave ____

题型:河北省模拟题难度:来源:
—It"s 10 o"clock now. I must go.
—It"s raining heavily outside. Don"t leave ______ it stops.

[     ]

A. since
B. until
C. when
D. because
答案
B
举一反三
The art club is for the club members. You can"t go in ______ you are a member. [     ]
A. unless
B. if
C. because
D. though
题型:河北省模拟题难度:| 查看答案
Tens of thousands of people have visited Expo 2010 Shanghai China ________ it opened in April. [     ]
A. for
B. before
C. since
D. while
题型:河北省模拟题难度:| 查看答案
—The skirt still looks pretty on you, ______ it is kind of out of style.
—Thank you. My parents bought it as my tenth birthday present. [     ]
A. because
B. for
C. as
D. though
题型:0117 模拟题难度:| 查看答案
The new system should be tried out first _______ it is put into use.A. before
B. after
C. when
D. while
题型:0110 模拟题难度:| 查看答案
—When are you going to fly to Taiwan this summer?
—________ we finish school. It will be a great holiday. [     ]
A. Because
B. Since
C. Until
D. As soon as
题型:江苏省模拟题难度:| 查看答案
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