I’ll tell you if he ________ back．

A．comes

B．coming

C．come

D．to come

I’ve waited ________ the bus for 20 minutes, but it hasn’t arrived yet．

A．to

B．for

C．on

D．with

Let’s ________ the instructions．

A．look out

B．look up

C．look down

D．look at

If you want to play ________, press the green key．

A．back

B．behind

C．after

D．before

－________ do I record?－Press the key．

A．What

B．How

C．Where

D．When

Can you ________ Jay’s CD to me?And I’ll return it in 2 days．

A．borrow

B．lend

C．give

D．have

She has ________ a lot of different medicines, but none worked．

A．eaten

B．drunk

C．taken

D．have

The hot water ________ again, I began to take a bath．

A．cold

B．cooling

C．came cool

D．cooled

Doctors couldn’t say what was wrong ________ they didn’t know what kind of snake it was．

A．so

B．because

C．or

D．but

She began ________ English at the age of eighteen．

A．knew

B．know

C．known

D．to know