Frank looks very worried today. There must be ________ wrong with him.
#37870
A
anything
B
nothing
C
something
D
everything
推荐题目
 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
________ some sports news in today’s newspaper.
#54195
A
Here is
B
Here are
C
There are
D
There isn’t