He was about halfway through his meal ____ a familiar voice came to his ears.

A．why B．where C．when D．while

We can't do it ______ your help.

A．with B．of

C．under D．without

The accident took place ________ a cold February evening.

A．on B．in C．at D．for

Modern equipment and no smoking are two of the things I like______working here.

A．with B．over C．at D．about

Leaves are found on all kinds of trees, but they differ greatly____ size and shape.

A．on B．from C．by D．in

—I hear Johnson was badly injured in the accident.

— _______ let’s go and see him.

A．What’s more B．If so

C．Where possible D．When necessary

—I prefer a computer made in your company, but I may need some more information about the product.

— _______.

A．Thank you B．It’s a pleasure

C．You are welcome D．At your service

—Would you mind telling her the news?

— _____, but I don’t know if I _____ her these days.

A．Of course, shall see B．Of course not, see

C．Of course, see D．Of course not, shall see

—Would you like to turn that music down? I’m writing a letter.

— _____.

A．No, I’d like to B．No, please

C．Yes, sorry D．Yes, I’d like it

—Mr Smith is a kind person. I like to to work with him.

—In fact, everyone _______.

A．is B．does C．has D．likes