There is even an animal whose tail will ________ so that it can run away if someone grabs it．

break down

break up

break out

break off

Nowadays the belief has become common ________ sea food and fruit rich in vitamin C should never be eaten at the same meal．

that

how

when

/

Stop that foolish clapping．________ from you and you'll celebrate Christmas by losing your position!

Another sound

Hear another sound

Making another sound

Another sound to be heard

The young man lay on the sofa with his arms ________ and soon fell asleep．

folded

folding

being folded

to fold

“Well done, John．!Not a single mistake ________ in your exam paper this time!”said the teacher．

you made

did you make

had you made

you have made

This is the best way I could think of ________ people getting into the dangerous areas．

stopping

to keep

to stop

keeping

The writer ________ the old folk story with his own imagination and wrote a new story．

performed

impressed

combined

represented

He was in great trouble, but he acted ________ nothing had happened．

even if

as if

unless

until

I don't think Ken did such a stupid thing, ________?

do I

did I

did he

does he

________ it with me and I'll see what I can do．

When left

Leaving

If you leave

Leave