We have ____ books in our school library.
| A．Hundred of | B．hundreds of |
| C．a hundreds of | D．ten hundreds of |
_____? We’re going sightseeing.
| A．What are you doing? |
| B．Where are you leaving |
| C．Who are you going with |
| D．When are you going |
I want to buy a bike. At last I decided ____ a black one.
| A．to buy | B．buy | C．buys | D．buying |
Where____ he ____ for his next vacation?
| A．does, leave | B．is, leave |
| C．is, leaving | D．is, leaveing |
I have a sore back. You should _____ down and rest.
| A．to lie | B．lying | C．lie | D．lied |
It’s a good habit ____ breakfast every day.
| A．had | B．have | C．has | D．to have |