________ I know he will be away for 3 weeks.

[　　]

We don't allow ________ in the reading room, who has allowed you ________ here.

[　　]

A．smoking, to smoke

B．to smoke, smoking

C．smoking, smoking

D．to smoke, to smoke

When I returned, the man ________ to London.

[　　]

A．has already gone

B．had already gone

C．was already gone

D．had already left

The smallest of the boys________ the game.

[　　]

A．win

B．wins

C．has won

D．have won

Each and every man or woman ________ equal right.

[　　]

A．enjoy

B．enjoys

C．is enjoying

D．are enjoying

They had the tractors ________at full speed.

[　　]

A．to work

B．working

C．work

D．worked

He was seen ________the car.

[　　]

A．to steal

B．stolen

C．steal

D．stole

________is unknown to us.

[　　]

A．When they start or not

B．That they will start or not

C．Whether they will start or not

D．If they start or not

He wasn't invited to the meeting, so he ________it .

[　　]

A．mustn't have attended

B．couldn't have attended

C．mustn't attend

D．couldn't attend

Mr Zhao ________ in our school ever since 1982.

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