英语大神帮忙解说下这几道英语选择题吧!语法方面的。

He
lay
in
bed,______,
listening
to
the
songs
on
the
radio
A.wake
B.waken
C.awake
D.woke
答:C
译:他醒着，躺在床上，听作收音机里的歌。
析:形容词awake作形容词作主语补足语，表示主语的状态。其它的是动词的谓语形式。
6、The
old
couple
have
been
married
for
40
years
and
never
once
___C___with
each
other.
A.they
had
quarreled
B.they
have
querreld
C.have
they
quarreled
D.had
they
quarreld
为何不是A?
答:AND后是一个并列分句，never放句首引起部分倒装，排除AB。D时态不当。
译:这对老夫妇结婚已经有40多年了。相敬如宾，从未红过脸。
8、Do
you
think
I
really
don't
think
Rose
will
be
upset
,but
I'll
go
and
see
her
in
case
she____A____
A.is
B.dose
C.will
be
D.has
been
为何不是C?
答:原题句为:I
really
don't
think
Rose
will
be
upset,
but
I
will
go
and
see
her
in
case
she
_is_
好事者改了还是你打错了?加个Do
you
thin干什么?那后面，最后面不是要加个问号吗?
译:我正的不认为罗斯会不高兴。不过我还是要去看看她，以防万一她真的不高兴呢。
in
case
后用现在时态或should
+V。因为in
case
和if
类似，引导的是条件状语从句，用现在时表将来。(主将从现)，后者为虚拟语气。