----How many birds are there in the tree? ---- ______
There will not _________ enough room for __________.
---Mom! May I have some cakes?---Sorry, there’s ________ left in the box. I will go and buy some for you this afternoon.
--Where are you going for your winter vocation?-- We _______ go to Hainan, but we are not sure.
Which is ____________ city, New York or London?
--How do you come to school?--By bike. Taking a bus may _____ much money. And walking ____ too much time.