根据提示填空（每空一词）
Keep ____ (smile) and never give up.

根据提示填空（每空一词）
To make a decision is difficult for me. (改为同义句)
____ difficult for me ____ ____ a decision.

根据提示填空（每空一词）
Let Jim ____ (pick) it up.

根据提示填空（每空一词）
David is in the ____ (read) room.

根据提示填空（每空一词）
Keeping healthy ____ (is/are) very important.

根据提示填空（每空一词）
My parents are used to ____ (get) up early on weekdays.

根据提示填空（每空一词）
They really have problems ____ (breathe) near the top of the mountain.

根据提示填空（每空一词）
把东西收好，睡觉的时间到了。
Put your things away. It’s____ ____ go to bed.

根据提示填空（每空一词）
He is afraid of ____(make) mistakes.

根据提示填空（每空一词）
The twin brothers always keep____ (argue) about what TV programmes to watch.