题目内容
【题目】Before you cross the road, you should _______ that you are safe.
A.be afraid
B.look tired
C.set up
D.make sure
【答案】D
【解析】句意：在过马路前，你应该保证你是安全的。be afraid 害怕；look tired看起来疲惫；set up建立；make sure确保。
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题目内容
【题目】Before you cross the road, you should _______ that you are safe.
A.be afraid
B.look tired
C.set up
D.make sure
【答案】D
【解析】句意：在过马路前，你应该保证你是安全的。be afraid 害怕；look tired看起来疲惫；set up建立；make sure确保。