单项选择题

—I wonder how much you charge for your services.
—The first two are free（）the third costs $30.

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

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单项选择题
My parents don' t mind what job I do（）I am happy.

A. even though
B. as soon as
C. as long as
D. as though
单项选择题
—What did you do with your car —I lost my key, so I had to（）it in the park.

A. lock
B. repair
C. leave
D. pass
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