—Kangkang, can you see a few people _____ Chinese kung fu over there?
—Oh, yes. They’re cool!
| A．are performing | B．perform |
| C．to perform | D．performing |
–You can’t imagine _______ great fun chatting online is.
– Really? But it may cause you a lot of trouble.
| A．what | B．how | C．why | D．whether |
One of the most interesting places in Hangzhou ________ are often visited by foreigners is the West Lake.
| A．what | B．who | C．that | D．/ |
–Tom, you didn’t come to my party last night?
– I ________, but my mom hurt her back and I had to look after her.
| A．had to | B．didn’t | C．wouldn’t | D．was going to |
Their school looks quite different from _______ ten years ago.
| A．what it was | B．that it was | C．what was it | D．that was it |
We must try our best to stop pollution ______ a low-carbon(低碳)life.
| A．from living | B．to live | C．living | D．live |