题目内容

完成句子

(1)The car is running ________(以每小时50千米).

(2)He moves ________(很迅速地).

(3)He swims ________(以很慢的速度).

(4)When the police arrived, they ran ________(以全速).

答案:
解析:

  (1)at a speed of 50 kilometers an hour

  (2)with great speed

  (3)at a very slow speed

  (4)at full/top speed


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