非水碱量法采用的滴定指示液是A.酚酞B.碘化钾-淀粉C.溴麝香草酚蓝D.

She ______ soon after dark and arrived home an hour later.

A、had set out

B、set out

C、have set out

D、had been set out

The doctor assured Susan that the pain would ______ one hour after she took the medicine.

A．wear out

B．wear down

C．wear away

D．wear on

The doctor assured Susan that the pain would ______one hour after she took the medicine.

A．wear out

B．wear down

C．wear away

D．wear on

The doctor assured Susan that the pain would ______ one hour after she took the medicine.

A．wear out

B．wear down

C．wear away

D．wear on

A．So as to

B．As soon as

C．Soon after

D．Sooner or later

After the guests left, she spent half an hour _______ the sittingroom.

A) ordering B) arranging C) tidying up D) clearing away

She comes home for lunch after class.

A．True

B．False

To review notes soon after class is more effective than to do it later on.

A．Y

B．N

C．NG

With the guide ______ the way, we set out on foot into the dark night.

A．lead

B．leading

C．led

D．to lead