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
- Excuse me, is this______ iPad mini? - No, it isn't.______ is at home.
#37321
A
your; Mine
B
your; My
C
yours; My
D
yours; Mine
We all feel           after hearing of the           news.
#35623
A
excited;excited
B
exciting;exciting
C
excited;exciting
D
exciting;excited