Chaplin who was ________ by his mother, learnt to dance at an early age.

[　　]

I saw a dog ________ to a tree beside the gate.

[　　]

Our TV sets sell well, but ten years ago no one could have imagined such a big share in the market that they ________.

[　　]

The village will not _______ the city until the railway __________.

[　　]

A．be joined to; has been built

B．join to; is built

C．be joining to; has been built

D．join with; is built

It's no use ______ time ______ that matter.

[　　]

If you listen to me, you ________ have some candies, dear.

[　　]

A man escaped from the prison last night. It was a long time ________ the guards discovered what had happened.

[　　]

Scientists think ________ helps some trees to keep water in winter.

[　　]

A number of people ______ now out of ______ and the number ______ increasing.

　　　　　　　　　　　　　　　　　　　　　　　　　　　　    (  )

A.is;work;is　　　　　　　　　　   B. are;the work;is

C.are;work;are　　　　　　　　　　 D.are;work;is

－How do you find the lecture given by the professor from Wuhan University this afternoon?

－________.

[　　]

A．It's about computer science

B．It's a bit boring

C．I find nothing in it

D．It's a pleasure