Question

一道简单的英语选择题，但不能确定是B还是C

Answer 1

B
过去进行时：I.在过去某一时刻正在进行的动作
（a）They
were
eating
breakfast
at
7:00
am
yesterday
.
（b）I
was
writing
a
letter
at
this
time
yesterday
.
（c）Five
minutes
ago
,
Danny
was
looking
out
of
the
window
and
Suzy
was
reading
a
book
.
标志性时间状语：at
six
yesterday
morning;
this
time
yesterday;
at
that
moment;
when
I
went
home
II.
在过去某一阶段一直在进行的动作
（a）From
1983
to
1998
,
he
was
teaching
at
Yale
.
（b）They
were
building
a
dam
last
winter
.
标志性时间状语：from
six
to
eight
yesterday
evening;
last
Sunday
afternoon
(2).过去进行时的句式
（a）基本结构：was/were
+
verb-ing
（b）否定式：was/were
not
+
verb-ing
was
not
=
wasn’t
were
not
=
weren’t
（c）疑问句：将
was/were
调到主语前
（d）I/he/she/it
was
+
verb-ing
you/we/they
were
+
verb-ing
(3)连词
while/when
与过去进行时
(a)当两个延续性动词同时进行时，都用过去进行时，并用
while/when
连接。
(b)当两个短暂性动词同时进行时，都用一般过去时，并用when连接。
(c)当一个延续性动词和一个短暂性动词同时进行时，延续性动词用过去进行时，并用while/when
连接；短暂性动词用一般过去时，并用when连接。
I
saw
a
friend
of
mine
when/while
I
was
walking
in
the
street.
When
I
saw
my
friend
in
the
street,
he
was
walking
with
his
children.

Answer 2

c，别被弄错了，ago是过去时的标志，如果是是过去进行时的话，是不可能用AGO，ago是不能表示过去某个时刻发生的动作的，要是过去进行时也应该是at
that
moment之类的。但是ago有时可以在完成时中出现若since
three
years
ago

Answer 3

选B，这是个过去进行时时态，表示在6小时之前在做什么事情。

Answer 4

很简单一道题基本全错
这考的是一般过去时态的应用
过去进行时必须要有确切的时间
而不是ago