第44页

信息发布者:
B
has
A
How's
B
children
B
an
C
Steven's
 Walk on the sidewalk. 
Cross the street at the crosswalk. 
Look left and right before crossing the street. 
Don't play on the street.

【答案】:
A

【解析】:
“系安全带”常用短语为“wear seat belts”或“put on seat belts”。选项B“put”缺少介词“on”,表达不完整;选项C“go”与“seat belts”搭配不当。根据六年级上册Lesson 12“Be Safe on the Way”中关于安全常识的内容,此处应选A“wear”。