At the top of the high mountains, there is very _____ oxygen in the air.
#40209
A
a little
B
little
C
a few
D
few
推荐题目
Don’t lose heart . , you are so young and you have other opportunities .
#39115
A
After all
B
In all
C
After that
D
After fact
--- Do you think people will have ________ work to do in the future?--- I think so. And I think they will have _______ chances to travel.
#43181
A
fewer, more
B
little, many
C
more, less
D
less, more
You won’t lose weight______you keep a diet and take exercises every day.
#40783
A
because
B
unless
C
if
D
but
