______ takes a lot of concentration and a great sense of balance to stay on it.
#14636
A
It
B
This
C
What
D
That
推荐题目
The tables and pictures help make ________ clear ________I wasn't sure of before.
#16777
A
it; for me to understand what
B
it; everything
C
everything; to understand what
D
/; what
Stop talking. I have __________ to tell you.
#56945
A
anything important
B
something important
C
important anything
D
important something
We enjoyed the trip and we hope to visit it ________.
#56760
A
someday
B
some day
C
anyday
D
any day