The schoolboy,still in bed,said to himself,It’s cold outside,and my bed is __________ and warm.

In that school, English is compulsory for all students, but French and Russia are ____ .

The students are warned not to talk about anything ______ to the accident that happened the other day in the school.

Li Pin is the ______ man I want to see.

Work gets done _______ when people do it together,and the rewards are higher too.