Now China has joined WTO(世贸组织), so I think English is________ useful than before.
When ______ the shop _______ every day? From 8.00 a.m. to 10.00 p.m.
---How many_________ are there in your school? ---Twenty.
My grandmother eats _______ food, so she is in good ________.
——________do you go to the dentist?——Let me see, twice a year, maybe.
I’m not good at playing ________ piano, but I can play ________ volleyball very well.