A: How many students can you see in the reading room?B: _______________.

Is this __________ English book? — No, it isn’t. It’s __________ Chinese book.

Is this your sweater, Joy?—No, It’s not________ sweater. ________is yellow.

The air in Rizhao is getting much _____ now than a few years ago .

I like this pair of jeans very much. Can I try on?