---The sick kids look unhappy. What shall we do?--- Let's do something to ___________.
When you are in trouble(麻烦), you can _________ help _________ the police.
Don’t _________ shorts in the classroom.
The teacher wants his students _________ hard.
She is a reporter. _________ she writes stories late _________night.
The news _________ from CCTV-1.