皮皮学，免费搜题
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【简答题】
近几年我国高速公路的建设有了较快的发展，有某段修建中的高速公路要招标，现有甲、个工程队．若甲、乙合作24天可完成此项工程；若甲工程队单独做20天后，剩下的工程由乙队去做，还需40天才能完成此项工程．工程队单独完成此项工程需多少天？
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皮皮学刷刷变学霸
举一反三
【单选题】---- _______________? ---- He looks tall and strong.
A.
How is he?
B.
How does he look like?
C.
what does he like?
D.
How is he like?
【单选题】Hi, Wang Xin , nice to meet you! Hi, Liu Hui,()
A.
nice to meet you too.
B.
how do you do?
C.
I'm fine, thank you.
【简答题】Why
does Wang Hui knock at the Whites’ room?A. To check the room. B. . To give the room card. C. To have a chat. D. To visit Mr. White.
【单选题】Why does Wang Hui knock at the Whites'room?
A.
To check the room.
B.
To give the room card.
C.
To have a chat.
D.
To visit Mr.White.
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