—How many teachers are there in your school?—About four ________.A.hundreds ofB.hundredC.hundreds
---How would you like your tea? ---_____________.
How lucky Peter was! Some policemen arrived in time and ________ him out.
—Great! It’s one I have ever had.
Roy made three kites, but ______ of them can fly high in the sky.
This problem worried her so much that she didn’t know ___________ with it..