People cut down too many trees, _____ the greenhouse effect becomes more and more serious.
| A．so | B．because | C．although | D．if |
There ________a bank near here. And my mother works there.
| A．has | B．have | C．are | D．is |
---Bob doing homework?
---No, he isn’t. He is a letter.
| A．Does, writes | B．Is, writes | C．Does, writing | D．Is, writing |
---- Well. _______
---It’s windy. Let’s fly a kite
| A．How’s the weather like today? | B．How’s the weather today? |
| C．What’s the weather today? | D．Which is the weather today? |
My uncle works in a ______. Many people go to have dinner there.
| A．bank | B．school | C． restaurant | D．hospital |
I like penguins because they are ______ interesting.
| A．a kind of | B．kinds of | C．kind of | D．kind |