I love my cat and spend a lot of time __________ after it.
A. look B. looks
C. to look D. looking
Mike __________ live in London, but now he works in China.
A. is used to B. used to
C. was used to D. gets used to
— Do you know the film Big Hero 6?
— Sure. I like it very much and I __________ it three times since it was on.
A. see B. saw
C. have seen D. am seeing
I saw the dog along with a girl ______was the only guide dog in our city.
A. who B. which C. whom D. What
— Ben, _________ up. The worst is over.
— Thank you. I hope so.
A. cheer B. cheers
C. is cheering D. to cheer
The water in rivers is even_________ than before. Something must be done now.
A. dirty B. dirtier
C. more dirty D. Dirtiest