People on bikes must _____________ a helmet.

1. People on bikes must _____________ a helmet.

A. to wear B. wear C. wearing

【考点】

动词原形;

【答案】

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单选题普通

1. They will ____ on foot.

A. go B. togo C. goes

单选题容易

2. ____ nj ____ y (享受)

A. e,o B. a,e C. o,i

单选题容易

3. —Does he ____ to work by boat?

—No, he works on a boat. He goes to work by bike.

A. go B. going C. goes

单选题容易