Frank looks very worried today. There must be ________ wrong with him.
#37870
A
anything
B
nothing
C
something
D
everything
推荐题目
—Excuse me, but is that my passport?—Oh, sorry, I took ________ by mistake.
#37120
A
yours
B
mine
C
hers
D
his
Things are ________ on Mars ________ on Earth because of the different gravity.
#53391
A
much lighter; than that
B
much lighter; than those
C
not so light; as that
D
not so light; as those