You should take off your shoes before you ___ the new flat.
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.
---Do you want _____, Tom and Eric? ---No, thanks.