There ______ two meetings tomorrow.

[　　]

A．are going to be　　　B．is going to have

C．is going to be 　　　D.are going to have

These are ______ problems.

[　　]

A．additional　　　B．added　　　C．adding　　　D.additive

Without your help, ______ with such great ease.

[　　]

A．I would have been impossible to finish the work

B．it would have been impossible for me to finish the work

C．it would have been impossible for me to finished the work

D.it would have been unable for me to finish the work

Hobbies and sports supply a great drain ______ students’ pent-up（被抑制的）energy.

[　　]

A．in　　　B．for　　　C．with　　　D.on

The sun is the ______.

[　　]

A．major source of hotness

B．major resource of heat

C．major source of heating

D.major source of heat

He happened ______ when I visited him yesterday.

[　　]

A．to go out　　　B．to have gone out

C．have gone　　　D.out

He arrived in Shanghai ______ a cold winter evening.

[　　]

A．in　　　B．on　　　C．at　　　D./

______ ill, he would have gone to the party.

[　　]

A．Hadn’t he been　　　B．Weren’t he

C．If he had been　　　 D.Had he been

If you ______ in class yesterday, you ______ able to answer the question now.

[　　]

A．had listened,could be

B．had listened, would have been

C．had listened, would be

D.listened, would be

He stopped ______ the door as soon as he heard the door bell ring.

[　　]

A．opening　　　B．openning　　　C．to open　　　D.open