The Internet is really ______ to us. We can easily find the information we need.
#47308
A
safe
B
hard
C
boring
D
useful
推荐题目
The boy is ________ to look after his sister.
#45748
A
enough old
B
enough young 
C
young enough
D
old enough
There are___new words that all of us can understand
#45819
A
so a few
B
such a few
C
so few
D
such few