Lucy and I are classmates.We _____ in Class One.A.all are B.are all C.both are D.are both

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LucyandIareclassmates.We_____inClassOne.A.allareB.areallC.bothareD.arebothLucyandIareclassmates.We__

Lucy and I are classmates.We _____ in Class One.A.all are B.are all C.both are D.are both
Lucy and I are classmates.We _____ in Class One.A.all are B.are all C.both are D.are both

Lucy and I are classmates.We _____ in Class One.A.all are B.are all C.both are D.are both
选D
all 用于多个人,≥3个人
both 仅用于两个人.lucy和 I只有两个人.
其次,both做“都”讲,是副词,副词放在be动词之后,即BOTH要跟在ARE后面

D