Large quantities of water ____every day here while it is in great need in some faraway area.

A. are being wasted
B. is wasted
C. have been wasted
D. was wasted

The writer and actor ____ invited to give us a report yesterday.

A. are
B. have been
C. was
D. were

The rest of the magazines ______ within half an hour.

A. is sold out
B. are sold out
C. was sold out
D. were sold out

The rich______ not always happy.

A. are
B. is
C. will
D. may

翻译：许多学生到过上海。（many a)

翻译：不止一个学生曾经去过北京。（more than one)

翻译：5减4等于1

翻译：每个男孩和女孩都有一个座位 （every )

翻译：我们到哪里去弄这么多钱还是个问题。

翻译：老师和学生们在讨论问题。（together with)