It is essential that we meet him at the airport.

A. This house, which built years ago, is still in very good shape.

B. This house, built years ago, is still in very good shape.

C. This house, building years ago, is still in very good shape.

D. This house, which was built years ago is still in very good shape.

A. Tim may be told about it at once.

B. Tim should be told about it at once.

C. Tim must be told about it at once.

D. Tim might be told about it at once.

A. He told me if I had gone to Japan.

B. He wanted to know whether had I been to Japan.

C. He ed me if Japan was visited by me.

D. He asked me if I had ever been to Japan.

A. None of the people that watched the game will ever forget it.

B. The people watched the game none of whom will ever forget it.

C. Nobody that watched the game will ever forget it.

D. Both A and C are correct.

A. We will probably go camping this weekend.

B. We will not go camping this weekend.

C. We may not go camping this weekend.

D. We must not go camping this weekend.

A. Harry said sorry to Mary for forgetting her birthday.

B. Harry felt sorry to forget Mary’s birthday.

C. Harry apologized Mary for having forgotten her birthday.

D. Harry really felt a pity not to remember Mary’s birthday.