Last year, I visited a chemical factory in Baise, there are about _____ workers in it.

Oh, this cartoon book is very interesting. Where did you buy ____? I want to buy _____, too.— In the bookshop near my home.

There will be _______ rain and _______ wind next week.

How does he go to Chong Qing? —________________.

Can your friend sing?–______.