There ________ nothing to talk about,everyone in the room remained silent．

A．was

B．had

C．being

D．having

Was it in front of the market ________ the road accident happened yesterday?

A．where

B．that

C．which

D．why

Only when you identity has been checked,________

A．you are allowed in

B．you will be allowed in

C．will you allowed in

D．will you be allowed in

It is the poisonous products ________ can cause the symptoms of the flu,such as headache and aching muscles．

A．who

B．that

C．how

D．what

— How far apart do they live?

— ________ I know,they live in the same neighborhood．

A．As long as

B．As far as

C．As well as

D．As often as

The old couple have been married for 40．years and never once ________ with each other．

A．they had quarreled

B．they have quarreled

C．have they quarreled

D．had they quarreled

— Sorry,Joe．I don't mean to…

— Don't call me“Joe”．I'm Mr Parker to you,and ________ you forget it!

A．do

B．didn't

C．did

D．don't

Turn on the television or open a magazine and you ________ advertisements showing happy families．

A．will often see

B．often see

C．are often seeing

D．have often seen

________ straight on and you'll see a church．You won't miss it．

A．Go

B．Going

C．If you go

D．When going

It was ________ back home after the experiment．

A．not until midnight did he go

B．until midnight that he didn't go

C．not until midnight that he went

D．until midnight when he didn't go