---How ____ is it from here Ningbo to Xi’an?
---It’s about two ____ flight.

-----Do remember to take your bag when you _____ the bus.  -----Thank you.

—           have you been like this?
—For a week.

Look! A large group of birds are flying __________the mountain!

It’s important for us to keep food __________in the fridge, especially in summer.

-We have 7 people here , but the car only has 5 seats.
-I think we need to solve this __________now.

- Is that red car_______?    - Yes, it's_______．Beautiful, isn't it?

--I can’t stand the smell of the fruit.
--Would you like to have a try? It________quite delicious!

What are your        ?

-- _____ classes are there in your school?   –Thirty.