Your classroom is so dirty. Everyone should keep it ______.
“Excuse me,could you tell me____?”“OK,It’s on Main Street.”A.where was the supermarketB. where is the supermarketC. where the supermarket is
The kids may not go to school in the future.They____at home on computers. A.have studied B.will study C.studied
When Bob is upset or tired, he prefers comedies that can____.A.look it upB.clean them upC.cheer him up
Tina doesn’t like the restaurant because the music there makes her____. A.sleeping B. slept C. sleepy
The telephone____by Alexander Graham Bell in 1876.A.is inventedB. was inventedC. were invented