The government plans to bring in new laws（）parents to take more responsibility for the education of their children.

单项选择题We tried to find a table for seven, but they were all（）.

A. given away
B. kept away
C. taken up
D. used up

单项选择题What a pity! Considering his ability and experience, he（）it better.

A. need have done
B. must have done
C. can have done
D. might have done

单项选择题But for their help, we（）the program in time.

A. can not finish
B. will not finish
C. had not finished
D. could not have finished

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

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