Thomas Edison ____ already ____ a chemistry lab for himself
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Thomas Edison ____ already ____ a chemistry lab for himself by the time he ____ ten.
A.has…built…was B.had…built…was C.would…build…was D.was…building…is
A.has…built…was B.had…built…was C.would…build…was D.was…building…is
B,因为从句是一个过去时,所以主语是发生在过去的过去,所以用过去完成时.
Thomas Edison ____ already ____ a chemistry lab for himself
_the many ,Thomas Edison buit a lab for himself.A.Us.B.For.C
he built a chemistry lab ____ himself when he was only ten.A
The ____ of this ____ is Thomas Edison(invent)
Thomas Edison invented a( )
Thomas Edison ____ his success as an inventor to 10% inspira
A stage ____(set)up for the show already.
有关同义句~when he was ten years old Edison built a chemistry for
Thomas Edison was a famous American inventor
Thomas Edison was a famous American science.
She is ___ newcomer to ____ chemistry but she has already ma
thomas wants to know ____.