My parents were quarrelling about me ____ I could not quite tell why．
#79999
A
since
B
though
C
if
D
until
推荐题目
The newly-married couple quarreled so much that they reached the point _______ they had to separate from each other.
#33229
A
when
B
where
C
which
D
that
__________I see him, he looks sad.
#31022
A
Every now and then
B
Every now and again
C
Every so often
D
Every time
All the photographs in this book, _______ stated otherwise, date from the 1970s.
#31571
A
until
B
once
C
if
D
unless
The little boy was allowed to go swimming _______ he kept near the other boys.
#31481
A
provided that
B
in case
C
now that
D
by the time