The Wenchuan earthquake happened _____ 2:28 o’clock _____ the afternoon of May 12. [ ]
Our government ______ all people to save energy and fight against pollution.
This problem is too difficult. — You can’t work out the math problem unless you ______ to your teacher carefully. [ ]
She said that she got A in this test.
May I have ________ bread? I am hungry. ——– Sorry. I don’t have ________.