The warmth of ________ sweater will of course be determined by the sort of ________ wool used．

A．the; the

B．the; /

C．/; the

D．/; /

I'll drop in ________ the Smiths if I am free．

A．on

B．at

C．/

D．for

－Why was you late again?

－I'm sorry, but my car ________ on the way．

A．went down

B．went out

C．broke down

D．broke out

－Do you find Robert in the square?

－No, I can't find him on ________ side of the square．

A．both

B．either

C．all

D．each

－Don't put the waste on the ground．

－Oh, I'm very sorry．I ________ the dustbin there．

A．don't see

B．isn't seeing

C．didn't see

D．haven't seen

One of the man held the view ________ the book said was right．

A．what that

B．that what

C．that

D．what

She must be looking forward as much to his return as he himself is to ________ her．

A．see

B．have seen

C．seeing

D．having seen

－Let's go swimming, shall we?

－________．

A．It's my pleasure

B．It doesn't matter

C．Yes, let's go

D．I agree with you

They are determined to do something ________ pollution．

A．for

B．with

C．about

D．to

－How much vinegar did you put in the salad?

－I'm sorry to say, ________．I forgot．

A．no

B．nothing

C．no one

D．none