I （) to keep in touch with my friends through e-mail.

A. keep away from

B. keep up with

C. keep back

D. keep out

A.make

B.hold

C.keep

D.take

- There must be a dozen pens in this house but I can never find one when I need one.

- Keep looking. ______ is sure to turn up.

A) One B) It C) That D) This

A.hold up

B.hold on

C.keep on

D.keep up

I would appreciate ________ it a secret.

A) your keeping

B) you to keep

C) that you keep

D) that you will keep

—I'm sorry to keep you waiting．

—Oh, not at all. I ______ here only a few minutes．

A．have been B．had been C．was D．will be

——______ can I keep this book？ ——Two weeks.

A．How long

B．How far

C．How soon

Did you mean I should keep the receipt？ I'm afraid I have ______.

A．run it over

B．tom it up

C．taken it apart

D．shaken it off

I always keep candles in the house______ there is a power cut.

A．lest

B．for fear that

C．in case

D．because of

—I'm sorry to keep you waiting. —Oh, not al all. I ______here only a few minutes.

A．have been

B．had been

C．was

D．will be

— _______ may I _________the book？

—For three weeks.

[ A] How often; borrow

[ B ] How often; keep

[ C] How long; borrow

[ D] How long; keep