作业帮He has been interested in flying （ever since he took his fir
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He has been interested in flying （ever since he took his first flight）对括号部分提问
However,this message was nver heard by the public（改成主动语态）
They collected many rock samples （to take back to Earth for further research）对括号部分提问
They were trying to warn Armstrong and Aldrin( to stay away)对括号部分提问
However,this message was nver heard by the public（改成主动语态）
They collected many rock samples （to take back to Earth for further research）对括号部分提问
They were trying to warn Armstrong and Aldrin( to stay away)对括号部分提问
1.How long has he been interested in flying?
2.However,teh public never heard the message.
3.What did they collect many rock stamples to do?
4.What were they trying to warn Armstrong and Aldrin to do?
2.However,teh public never heard the message.
3.What did they collect many rock stamples to do?
4.What were they trying to warn Armstrong and Aldrin to do?
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