Mary can(walk on her hands).(对括号里的单词提问)
【What】can Mary【do】?
他养的那条狗会两条腿走路。
His dog can walk(by)(two)(legs).
Mary can(walk on her hands).(对括号里的单词提问)
(how)can Mary(walk)?
他养的那条狗会两条腿走路。
His dog can walk(with)(two)(legs).
我觉得两个句子应该是
What can Mary do?
His dog can walk on its forelegs.
有疑问请追问,满意请采纳
What;do;with;its;legs