The          why he is absent today is          he has got a bad headache.  
#68729
A
reason; that
B
reason; because
C
cause; that
D
cause; because
推荐题目
The theory he sticks to ______ to be of no use in our studies. 
#72228
A
proves
B
prove
C
proving
D
be proved
All the students went to see ______ with her.
#71958
A
what the matter was
B
what was the matter
C
what wrong was  
D
what was the wrong