Mr. Li said he would show the students _____ New York City, which is famous _____ the world. [ ]

As your spoken English gets better, ______ your written English．

What do you do_____ National Day?[ ]

It’s difficult for the village children to cross the river to get to school.— I think a bridge ________ over the river.

There are _________months in a year, and I like the _______month—December.