_____ puzzles me most is that I don’t know ______ the difference between the two lies.
#59074
A
What, how
B
What, where
C
That, what
D
How, which
推荐题目
.The horses________each other________the first prize in the match. 
#4781
A
competed against; for
B
competed against; to
C
completed against; for
D
completed; to get
He is_______to have come back from the abroad.
#4799
A
possibly
B
possible
C
probable
D
likely
He is afraid to face the problems he’ll have     the exam.
#4581
A
to pass
B
passed
C
passing
D
been passing