优优班--学霸训练营 > 知识点挑题
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            • 1.
              -Peter, ___________ rubbish into the river. You"re polluting it.
              -Sorry, Mr. Clark. I won"t do it again.(  )
              A.not throw
              B.don"t throw
              C.not to throw
            • 2.
              When you have any questions,please ______ the teacher for help.(  )
              A.tell
              B.asking
              C.ask
              D.telling
            • 3.
              ______ eat too much hamburgers. They are unhealthy food.(  )
              A.Not
              B.Isn"t
              C.Don"t
              D.Doesn"t
            • 4.
              ________ some beef,one cabbage,four carrots for the party.(  )
              A.Drink
              B.Buy
              C.Pour
              D.Peel
            • 5.
              ______ the seeds and they will grow.(  )
              A.Water
              B.To water
              C.Watering
              D.Watered
            • 6.
              To test eggs,______ them in a bowl of water:if they float they"re bad,if they sink they"re good.(  )
              A.put
              B.putting
              C.to put
              D.to be putting
            • 7.
              Don"t ______ at others.It"s impolite.(  )
              A.to laugh
              B.laugh
              C.laughing
              D.laughed
            • 8.
                     touch anything without your teacher in the lab.(  )
              A.Can"t
              B.Not
              C.Don"t
              D.No
            • 9.

              Tommy, ________ play basketball in the street next time. You may get hit by a car.

              A.do
              B.don"t
              C.must
              D.mustn"t
            • 10.               more,and you will improve your spoken English.(  )
              A.To speak
              B.Speak
              C.Speaks
              D.Speaking
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