He had a stomachache ________ he ate something bad this morning.
#55947
A
or
B
if
C
so
D
because
推荐题目
--- Let’s go fishing if it _____ this weekend . --- But nobody knows if it ____.
#57985
A
is fine , will rain
B
will be fine , rains
C
will be fine , will rain
D
is fine , rains
______Jenny is kind, ______we all like her. 
#55604
A
Because; so
B
So; because
C
/; because
D
/; so