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通过对照片的描述，继续加深对现在时和过去时概念的理解。
3
养成听录音跟读句子的习惯。
4
努力在日常生活中模仿和运用英语。
5
went
go
see
saw
have
had
ate
eat
well done!
I was a student in 1999
I am a teacher now .
He was short in 2013
He is tall now .
They were in China
last week.
They are in Canada this week .
am
was
were
are
is
was
were
are