We should divide all the potatoes ________ two piles and separated the good ones ________ the bad ones.
--Joyce, please don’t stand on the bookstand.--Pardon?--I _____ stand on the bookstand.
---Can you tell me what role a mobile phone______ in our daily life?--Of course.
It is said that the number of doctors invited to the meeting _____100, but a number of them _____ absent for different reasons.
--Can you come here on time for the party? ---__________. I’m free this afternoon.
Mr. White ______ from heart trouble, and he takes some medicine with him.