---There are APPs on mobile phones.
---Yes. They make life easier and more interesting.
| A．hundred of | B．hundreds of |
| C．some hundreds | D．hundred |
Learning to write is learning to think. You don’t know things clearlyyou can write them down.
| A．unless | B．if | C．since | D．whether |
I always tell my studentson the road because it’s really dangerous.
| A．not to play | B．to play not |
| C．not playing | D．not play |
---________beautiful day it is! Let’s go and have a picnic in the park. ---Good idea!
| A．How | B．How a | C．What | D．What a |
---Excuse me, sir. Is the swimming pool open all day?
---_______. Only from 6:30 p.m. to 9:30 p.m.
| A．Yes, of course | B．That’s right |
| C．Sorry, I’m not sure | D．Sorry, I’m afraid not |
He feels likethe Internet day and night. Tell him not to do it again.
| A．search | B．to search | C．searching | D．searches |