The structure of the sentence ―Mr. Liu teaches us physics.‖ is ________.
A.S+V B.S+V+DO C.S+V+IO+DO D.S+V+DO+OC
My uncle ________ from his hometown for ten years.
A.has left B.is away C.left D.has been away
Today the forests are becoming smaller and smaller. We must ________ too many trees.
A.prevent people to cut down B.prevent people from cutting down
C.keep people cutting down D.stop people to cut down
My mother often tell my little brother ________ too much time ________ computer games.
A.not to spend; to play B.not to spend; playing
C.to not spend; playing D.to not spend; play
________, the sports meeting was put off until the following week.
A.As a result B.In order to C.So that D.For example
—Can everyone work out this maths problem in your group?
—Yes. It’s ________ one of all the exercises.
A.the easiest B.the most difficult C.an easier D.the easier
