There are many sales of mobile phones on www.taobao.com, and you can choose _____ based on your own interests.
| A．that | B．each | C．it | D．one |
About 60 percent of the students ________ from the south, the rest of them ________ from the north and foreign countries.
| A．are; is | B．are; are | C．is; are | D．is; is |
Now Tom with his classmates ________ football on the playground.
| A．play | B．are playing | C．plays | D．is playing |
With two children ______ middle school in the nearby town now, the parents are working hard.
| A．to attend | B．attending | C．attended | D．having attended |
Having answered the phone, I couldn’t but ______ what would happen next.
| A．wondering | B．wondered | C．wonder | D．to wonder |
All of us remember the earthquake that ______ Wenchuan in 2008.
| A．attacked | B．struck | C．knocked | D．exploded |