Mary is tired of learning because she is_____ to do better than she can, both at school and at home.
Her son __________ Coke, but now he __________ milk.
—______? —I have a headache and I don’t want to eat anything.
-Mr Li lives______, but he doesn’t feel _____because many volunteers often visit him.
-I can’t see the words on the blackboard clearly. -___ can I. Maybe we should wear glasses.
Which of the following signs can you see on the door of a shopping mall?