She usually goes to work by ________ bus, but she went to work on ________ bike yesterday．

A．a; a

B．不填；不填

C．不填；a

D．the; a

Some steps have been taken to protect the river ________．

A．from being polluted

B．from polluting

C．to pollute

D．to be polluted

Is this school ________ some foreigners visited the other day?

A．which

B．that

C．where

D．the one

I work in a business ________ almost everyone is waiting for a great chance．

A．How

B．that

C．where

D．whose

Who was the first person ________ today?

A．spoke to you

B．you spoke to

C．you spoke

D．who you spoke

John is quite ________ the job．

A．equal

B．equaled

C．equal by

D．equal to

－Did Jack come back early last night?

－Yes．It was not yet eight o’clock ________ he arrived home．

A．before

B．when

C．that

D．until

The Bulls have better players, so I ________ them to win．

A．hope

B．prefer

C．expect

D．want

It ________ long before we ________ the result of the experiment．

A．will not be; will know

B．is; will know

C．will not be; know

D．is; know

Before the war broke out, many people ________ in safe places possessions they could not take with them．

A．threw away

B．put away

C．gave away

D．carried away