There _______be anyone in the classroom. I was the last one to leave and I locked the door.
| A．must | B．can | C．might | D．can’t |
---________ beautiful the musical instrument is!
| A．What | B．How | C．What a | D．How a |
---I think students should finish their homework first before doing other things.
---________. Study is the first thing.
| A．I agree | B．I disagree |
| C．I don't know | D．I’m not sure |
WeChat(微信) is very popular. _______the young_______ the old are getting interested in it.
| A．Either…or | B．Between… and |
| C．Not only…but also | D．Neither…nor |
The mobile phone has influenced people’s life a lot since it________.
| A．invents | B．invented |
| C．is inventing | D．was invented |