If the students don’t understand what their teacher is talking about, he/she hasn’t _________his/her meaning_____________.
So far nobody has claimed the money in the library.
—The head teacher said we had only three days to finish the project. —Don't worry. We have already ________ two thirds of it.
It was April 1, 2001 William and Kate had their first baby.
— Can I pay the bill by check? — Sorry, sir. But it's the management rules of our hotel that payment ______be made in cash.
This sweater fits me, but I can’t afford to buy __. I have to choose __ that is cheap enough for me.