The gas tank twenty gallons of gas, but now it may only three gallons.
A. holds; contain
B. holds; be contained
C. is held; contain
D. is held; be contained
网友回答
(答案→)A. holds; contain
B. holds; be contained
C. is held; contain
D. is held; be contained
解析：此题考查动词的语态知识。hold表示“容纳”，contain表示“装着”时都用主动形式。