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Can't
he
play
the
piano?

Isn't
he
a
student?

Didn't
you
do
your
homework
last
night?

昨天下午两点牙医很忙,所以他没有给我看病
(英译汉)

The
dentist
was
busy
at
2
o'clock
yesterday
afternoon
so
he
didn't
serve
me.

昨天晚上我们等车等了两个小时
(英译汉)

We
waited
for
the
bus
for
two
hours
last
night.

chemist 化学家，药剂师

newsagent
报纸或定期刊物的经销商

can't
he.go
home
by
bus?

isn't
he
at
home
?

didn't
you
buy
the
book
yesterday?

The
dentist
was
very
busy
,so
he
didn't
visit
me
in
the
afternoon
yesterday.

we
waited
the
bus
for
two
hours
at
the
night
yesterday.

chemist

化学家;
化学工作者

[英]药店[杂货店]店主或店员

newsagent

报刊经销人

Can't
he
speak
English?

Isn't
he
a
teacher?

Didn't
you
break
the
cup?

The
doctor
didn't
have
my
teeth
examined
as
he
was
busy
at
2
o'clock
yesterday
afernoon.

We
had
waited
the
car
for
2
hours.
chemist
n.化学家；药剂师，药商
newsagent
n.
报纸或定期刊物之经销商

he
can
come
over
tonight,
can't
he?

he
is
your
brother,
isn't
he?

you
saw
the
movie
once,
didn't
you?

1.The
dentist
were
too
busy
at
2pm
yesterday,so
he
didn't
examine me.

2.we
waited
for
the
car
for
2
hours
last
night.

chemist
是化学家，药剂师的意思

newsagent
是
报刊经销人的意思。