On the playground, each competitor ____ wear a number to be recognized．

　 A．need　　　　 　 B．shall　　　　　 　　　　　　　　 C．would　　　 　 D．can

When asked,the naughty boy hang his head and unwilling to tell his mother ______ he had done in the park yesterday afternoon.

A.that

B.how

C.where

D.what

The temperature can fall to －50°C. _____ is, 50°Cbelow freezing point.

A. Which 　　　 B. It　　 　　C. This　 　　　 D. That

A new research ___here. They hope to finish it next month.

　 A. will be studied　 B. is studied　　　　　　 C. has been studied D. is being studied

She left him,　　 in that house again.

A、determined never to set　　 B、not to be determined to put　　

C、determining not placing　 D、not having determined by fixing

One more week, ______ we will finish all the tasks completely.

　 A. but　　 B. and　　 C. so　　 D. or

I agree with most of what you said,but I don’t agree with　　 .

A、everything　　 B、anything　　　 C、something　　　　 D、nothing

They lived a hard life then, for their father _______ for half a year.
A. had lost his work             B. has lost his work
C. had been out of work          D. has been out of work

Mind you. Don’t bump your head on the low　　　 when you go upstairs for sleep.

　 A. top　　　　 B. tip　　　　 C. bottom　　　　 D. ceiling

—How do you ___________ to her unkindly behaviour?

—Only silence.

—Which of the following is wrong?

A.answer　　　 B.react　　　　　 C.reply　　D.resperd