She pointed ________ a strange thing ________ three legs.

[　　]

The jacket is ________ expensive ________ him ________ buy.

[　　]

________ too much is better than ________ too much.

[　　]

________ the story is short and there are no new words in it, it is difficult to understand.

[　　]

Nobody told us ________.

[　　]

A．when he arrives

B．when does he arrive

C．when did he arrive

D．when he arrived

Please go out to climb the hill if it ________ tomorrow.

[　　]

My bag is full. What about ________?

[　　]

You'd better ________ it again.

[　　]

Don't tell anybody about it. Keep it ________ you and me.

[　　]

When we do exercises, we must be ________.

[　　]

A．as we can as careful

B．as we can as carefully

C．as careful as we can

D．as carefully as we can