_____ 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
There were signs here and there, _____ visitors to look out for ______ rocks.
#5018
A
warning; fallen
B
warned; falling
C
to warn; fallen
D
warning; falling
 With a label _______ to each luggage, it won’t take you long to find yours.
#4626
A
attaching
B
attached
C
being attached
D
to attach