Last night, before the exam, I went over the lessons_______I couldn’t keep my eyes open to stay awake any longer．
#79740
A
before
B
until
C
unless
D
when
推荐题目
What the doctors really doubt is my lather will reeover from me serious disease soon.
#30620
A
whether
B
when
C
why
D
how
— You won’t go to Kathy’s wedding party, will you?— Yes, _________ invited.
#80693
A
though
B
if
C
unless
D
as
That was a very busy street that I was never allowed to cross accompanied by an adult.
#33210
A
when
B
if
C
unless
D
where