He used to________in the morning,but now he is used to________at night.
We need friends to ______, or we will feel ______.
— May I go to the concert with you? — I’m afraid not ______ you have a ticket, because I have only one.
People who drink wine______ to drive.
— Which T-shirt do you like? — The red one. It ______ more comfortable.
I’m so busy. If I ______ time, I ______ have a good rest.