1.B starts 主词 their school 动词用三单
2.C are 后面宾语 oranges 是复数.为什么不是is如果后面跟的宾语是不可数名词，或者可数名词的“单数形式”就用 is. 比如： Here is your tea. (茶、水、牛奶、果汁这些不可数）Here is your apple（苹果、橘子这些可数，单数就用 is 复数用 are)
their school [ ]at nine o'clock
their school [ ]at nine o'clock
A start B starts
here [ ]your oranges
A is B be Care
there [ ] lots of juice in the bottle
A are B is
[ ]do you do exercises?In the morning。
A where B what C when
A start B starts
here [ ]your oranges
A is B be Care
there [ ] lots of juice in the bottle
A are B is
[ ]do you do exercises?In the morning。
A where B what C when
英语人气：691 ℃时间：2020-05-19 12:05:50
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