He didn’t come to school yesterday _______ that he was ill.
#31437
A
because
B
for
C
in
D
if
推荐题目
My parents were quarrelling about me ____ I could not quite tell why．
#79999
A
since
B
though
C
if
D
until
Criticism and self-criticism _____ necessary _____ it helps us to correct mistakes.
#34547
A
is, in that
B
are, in that
C
is, in which
D
are, at that