I ________ be a little bit slow, but at least I don’t make foolish mistakes．

A．should B．may C．must D．need

--Look! Someone ____ the floor．It's clean．

--Well，it wasn't me I went shopping just now．

A．is sweeping B．was sweeping

C．had swept D．has swept

After a short time，the bad news had____ all over the city and everybody knew it．

A．showed B．spread C．covered D．explored

--Mr. White asked me to remind you of the meeting this afternoon．Don't forget it!

--OK，I ____．

A．won't B．don't C．will D．do

--How can we help the children in the mountain village?

--We can ____ leaflets to ask people to donate money．

A．give in B．give off

C．give up D．give out

--Could you tell me ____?

--Until tomorrow afternoon．

A．how long you will stay there

B．how soon you will stay there

C．when will you stay there

D．how often will you stay there

--This kind of sports is exciting．

--Yes，but it's dangerous．One can't do it ____ he or she has got some training．

A．if B．after C．when D．Unless

--How do you like this piece of music by Tan Dun?

--Well，of all the music that he has written，I think this is his ____ one．

A．better-known B．well-known

C．best-known D．most-known

Ladies or gentlemen，whether young or old，____ some money of yours to the poor people in the mountain area who are suffering．

A．to donate B．donating

C．donate D．will donate