Helen is 15 years old, and Joan is 15, too. So Helen is ____ Joan. 
#44942
A
as big as
B
as older as
C
as old as
D
so old as
推荐题目
The water in this river is harmful because It’s a ______ river.
#46648
A
pollution
B
polluted
C
has polluted
D
pollutes
---Have you returned the book to the library ____?   ---Yes, I have ____ returned it.
#47667
A
yet, yet
B
already, already
C
already, yet
D
yet, already
Now many people are________ in playing_______ games on the Internet.
#46156
A
interested; interesting
B
interesting; interested;
C
interested; interested
D
interesting; interesting