He asks ________ we can help protect the environment.
A. how B. what C. that
Kate spends an hour ______ swimming every week.
| A．practice | B．practices |
| C．practicing | D．to practice |
—What are you going to be when you _______?
—I want to be a teacher.
| A．grow up | B．get up |
| C．come up | D．put up |
—Sorry , I’m busy. I can’t go fishing with you.
—_______. I can ask Lily to go with me.
| A．No problem | B．You’re welcome |
| C．Of course | D．Never mind |
There are ______ students in this school.
| A．two hundreds | B．two hundreds of |
| C．hundreds of | D．hundred of |
—Do you enjoy _____ basketball?
—Yes, I do. It’s my favorite sport.
| A．play | B．playing | C．plays | D．to play |