–Is it all right if I sit here?

–______, sir. The seats are for elderly people only.

A. Better not B. Go ahead

C. As you please D. No way

–Have you listened to ______ weather forecast, Linda?

–Yes. It says that there will be ______ heavy rain this weekend.

A. the; the B. a; the

C. the; a D. a; a

The police warned that anyone ______guilty of taking drugs in that country would be put in prison.

A. to find B. found

C. finding D. having found

The two researchers originally set out to study the zebras in Africa and discovered a new species of tiger ______.

A. by chance B. in addition

C. by nature D. in need

With all the work on hand, I ______to the cinema last night. How I regret it!

A. shouldn’t have gone B. might have gone

C. can’t have gone D. must have gone

Susan came to the party yesterday, but it was already half past eight ______she turned up.

A. that B. before

C. until D. when

Professor Smith gave us a speech last month, ______he expressed his concern about the current global economic trends.

A. to which B. in which

C. with which D. for which

You misunderstood me yesterday, Mary. I wasn’t ______ you when I blamed someone for the accident.

A. referring to B. belonging to

C. turning to D. attending to

______ these pictures, I couldn't help thinking of those days when I was in Beijing and ______ from the top of a thirty-storeyed building, Beijing looks more beautiful.

A. Seeing; seen B. Seen; seeing

C. Seeing; seeing D. Seen; seen

Nothing else ______ more important than water in the place like a desert.

A. we can’t find B. can’t we find

C. can we find D. we can find