I
was
in
the
classroom
yesterday
morning．
昨天早上我在教室里。
He
was
at
school
last
Tuesday．
上周二他在学校。
They
were
over
there
a
moment
ago．
刚才他们在那边。
I
was
not
(＝wasn't)
here
yesterday．
昨天我不在这儿。
My
parents
were
not
(＝weren't)
at
home
last
Sunday．
上周日我父母不在家。
Were
you
at
home
the
day
before
yesterday﹖
前天你在家吗？
Was
she
late
this
morning﹖
今天早上她迟到了吗？
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