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It is unbelievable that Mr. Lucas leads a simple life __his great wealth.

The lab ________ construction will be completed next month.

Please remember to put everything ________ before leaving the room.

It took a great deal of courage to admit that all their efforts had been ________.

After she lost the election, her influence on the public was in ________.

The newly published book, which refers ________ basic English grammar, is ________ only for beginners.

The headmaster told the boy ________the angry teacher, but he refused to.

You’d better let each student read       his own tastes and choices.

_____ the three elements of productive forces, namely, the people, the means of production and the subject of labor, the people is that most critical.

Lewis was much admired ______ his work on the advanced medical research.