The effects of cigarette smoking …………. been proven to be extremely harmful.

Everything in the garden ……… brighter and brighter.

The first two parts of the experiment ………. him too much time.

The quality of these recordings …………… not very good.

Jane …………… a new dress and a pair of shoes.

John, along with twenty friends ……………. celebrating a party.

Everybody who ………… a fever must go home immediately.

Each student …………. given a sheet of paper.

The methods for studying the earth ………… been being researched.

What …………… the purpose of learning foreign languages?

The number of books in the library ………… really remarkable.

The picture of the soldiers ………….. back many memories.

Advertisements on TV ………… becoming more competitive than ever before.

Mr. John, accompanied by several members of the committee, ……….. proposed some changes in the rules.

Neither Bill nor Mary ………… going to the party tonight.

A number of reporters ……………. at the conference yesterday.