The boy learns everything quickly because he has a good _______.
Reading is as _____ as writing when you learn a foreign language.
The article is easy because there are _____ new words in it.
_____ mother is a policewoman.
---Help _____ to some beef, Ciping.---Thanks. It’s very delicious.
---Is this _____ mobile phone?--- No, it is _____. John’s phone is beside his cup.