________ English language is much more than a language：it is a bridge across borders and cultures, a source of unity in ________ rapidly changing world．

A．不填；a

B．An; the

C．The；不填

D．The; a

________ well prepared you are, you still need a lot of luck in mountain climbing．

A．However

B．Whatever

C．No matter

D．Although

I am sorry for what I said in the meeting．I would rather I ________ that then．

A．did not say

B．hadn’t said

C．would not say

D．don’t say

Customers are asked to make sure that they ________ the right change before leaving the shop．

A．will give

B．have been given

C．have given

D．will be given

________ most school teachers were men, but today there are more women than men．

A．All the time

B．At one time

C．At a time

D．At times

This kind of fish can eat a person in two minutes, ________ only the bones．

A．left

B．being left

C．leaving

D．having left

The teachers do all ________ improve their teaching abilities．

A．that they can

B．they can to

C．what they can to

D．which they can

They say your report doesn’t ________ the fact．But I don’t ________ them on this point．

A．agree to; agree with

B．agree on; agree to

C．agree on; agree with

D．agree with; agree with

The lawyer seldom wears anything other than a suit ________ the season．

A．whatever

B．wherever

C．whenever

D．however

He took pity on the people in the flooded-areas and ________ his clothes and money to them．

A．gave out

B．gave away

C．gave off

D．gave in