Health is very _____and every student knows the _____of keeping healthy.
A. important ; importance B. important ; important
C. importance; importance D. importance; important
Our country _______ a lot in the last fifty years.
A. will change B. changed
C. changes D. has changed
She said she had some trouble ___________ her homework.
A. finish B. finishing
C. to finish D. Finished
---Is the notebook Carla’s?---It _____be hers. It has Mary’s name on the cover.
A. could B. might C. must D. can’t
---What’s wrong with you, Dave?
---My homework can’t be __________ on time because I’ve left it at home.
A. given out B. got over
C. showed up D. handed in
---________ fine day! Let’s go hiking together. ---Good idea!
A. What B. What a C. How a D. How
