We'll ________ your house next Sunday .

[　　]

A．call at　　　　　　　　   B．call in

Xiao Wang is ill . ________ a doctor at once .

[　　]

A．Call in　　　　　　　  　B．Call at

Please open the windows and ________ the fresh air ________.

[　　]

A．let; in　　　　　　　　　　 B．ask; in

I ________ the message ________ Bob as soon as I got it .

[　　]

A．passed; to　　　　　　　　　　  B．gave; to

His face is familiar ________ all of us .

[　　]

A．with　　　　　　　　　    　B．to

I am familiar ________ the facts.

[　　]

A．with　　　　　　　　　    　B．to

In my holidays, I ________ enjoy myself as much as possible.

[　　]

A．am determined to　　　　　    　B．like to

—________ will your father come back?

—In two hours.

[　　]

A．How often　　　　　　　　　   　B．How soon

Lei Feng set a good example ________ all of us.

[　　]

A．to　　　　　　　　　　　　　  　B．for

After fighting for a whole day the enemy ________.

[　　]

A．gave in　　　　　　　　　　　　　　 B．gave up