She isn’t       her sister Tina.

 Lily is       of the two.

Taking buses in Beijing is       than taking a taxi.

 — Why don’t you like winter in Beijing?— Because it is       winter in Guangzhou.

If you want to keep healthier, you must eat ____ vegetables and _____meat.

There is ______ food in the fridge.

--- What has your hobby brought you?--- I think it has brought me happiness, especially it keeps me _____ .

She didn’t write _____.So she didn’t pass the test.

We call it dinner because we have ________ to eat.

There are    classrooms on the ground floor. One of them is ours.

My pen is ______. 

If you don’t have enough sleep, you will feel __________ in class.

There are _______ in the reading room, but many of those books aren’t _______ to read.

Try to be careful. The ________you read, the fewer mistakes you will make. 

Let’s go to Maxwell to buy the fruit because the price there is quite _____. We can pay less. 

---What’s the low-carbon(碳) life style like?----Save        energy, produce            carbon. 

The new road is much _______ than before. Six cars can pass it at the same time. 

I have an _______ reading book. Are you _______ in it?

It’s important for us to stay ______.

It's a chicken-and-egg question. I can't answer you now.