Last night Dad and Mum didn't come back home I finished my homework. [ ]A. while B. ifC. ——青夏教育精英家教网——

Last night Dad and Mum didn't come back home _____ I finished my homework.　　

A. while
B. if
C. until

_____ you have tried it on, you can't imagine how pretty the new style skirt is.

A. Because
B. Although
C. Unless
D. When

The students didn't stop talking _______ the teacher came in.

A. before
B. until
C. when
D. because

—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

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

Tens of thousands of people have visited Expo 2010 Shanghai China ________ it opened in April.

A. for
B. before
C. since
D. while

—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

It didn't begin to rain _____ I got home yesterday evening.

A. after
B. until
C. as long as
D. so that

The parents had to sell their car for money ______ they wanted to save their child's life.

[ ]

A. if
B. whether
C. because
D. so

A tourist will easily lose his way in Beijing _______ he has a map or a guide.

[ ]

A. if
B. because
C. unless
D. when

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