—Why not go to the Summer Palace for the spring outing?

—________.

A．Right

B．You are right

C．All right

D．You are all right

—Have you heard from your son?

—Not yet．It’s not ________ , for he’s so busy that he doesn’t often ________ home,

A．surprising; write to

B．surprising; write

C．surprised write

D．surprised; write to

Although he talked half an hour, he couldn’t give us a good ________ of the reason why he did it.

A．idea

B．explanation

C．sense

D．understanding

She did me a great ________ by driving me to the airport.

A．advice

B．suggestion

C．service

D．practice

________ shopping on Sundays seems to my

mother a rule never to be broken.

A．Go

B．To go

C．Going

D．Gone

—Did the medicine make you feel better?

—No．The more ________, ________ I feel.

A．medicine I take; the worse

B．I take medicine; the worse

C．medicine I take; and the worse

D．I take medicine; worse

Excuse me for breaking in, ________ I have some news for you.

A．so

B．and

C．but

D．yet

—Was his father very strict with him when he was at school?

—Yes．He had never praised him ________ he became one of the top students in his grade．

A．after

B．unless

C．until

D．when

We are living in an age ________ many things are done on computer.

A．which

B．that

C．whose

D．when

Mr. Hall understands that ________ math has always been easy for him; it is not easy for the students．

A．unless

B．since

C．although

D．when