It's five years since I worked here.

________?

[　　]

A．Have you worked here happily

B．How long will you work here

C．Where do you work now

D．Do you want to work here longer

________ one of the most important inventions of the time, the computer helps people living in different countries to do a lot of things.

[　　]

They have ________ most carefully the time and money needed to complete the project.

[　　]

Could you take a message for Mr. Green?

Certainly. I ________ him about something else in any case, so it ________ any bother.

[　　]

John seems a nice person. ________, I don't trust him.

[　　]

Shall I go and buy more fruit for the party?

No, I have already bought 3 baskets. That ________ be enough.

[　　]

Isn't it hard to drive downtown to work?

Yes, that's why I ________ to work by train.

[　　]

The thread of my kite broke and it flew away.

I told you it would easily break ________ it was the weakest.

[　　]

The best job is ________ which uses your skill in doing something together with your interest in the subject.

[　　]

In a time of social reform(改革), people's state of mind tends to keep ________ with the rapid changes of society.

[　　]