If we take environmental problems seriously, the earth worse and worse.
A. don’t; will be B. won’t; isn’t
C. won’t; is D. don’t; won’t be
—Don’t late, Mary. You have a singing competition tomorrow morning.
—OK, dad, I’ll go to bed right now.
A. dress up B. grow up
C. stay up D. mix up
After Steven sent some e-mails, he surfing the Internet.
A. starts B. has started
C. will start D. started
—Where is Linda? I can’t find her anywhere. —She the flowers in the garden.
A. waters B. is watering
C. watered D. has watered
—What’s your favorite , Bob?
—Cats. They’re so lovely.
A. plant B. job
C. sport D. animal
—Can I bring a friend to your birthday party?
—Sure, .
A. no problem B. not at all
C. my pleasure D. well done
