The old man kept on studying Chairman Mao’s ___ in his ___.
– Why you didn’t handed in your exercise paper?–Sorry, but I ____ that it should be turned in today.
—How is the debate of your essay?—It ____ well, but I ____one of the key points.
–When can I get the result of the test, sir?–You ____ have it next Friday.
No words can ____ his feelings when the money dropping on the street was sent back to him.
The problem may not____, but there's no harm to be careful.