Tom, clean up the broken glass _________ someone walks on it.
25. The farmers once used wood to build a house ______ to store grains all the year round.
24. However busy you are, try to _______ at least half an hour each day to practice listening and reading.
23. Jenny is always _______, never complaining about her poor health and other troubles.
22. The two men were _______ of receiving stolen property, which made their parents worried.
II. Grammar and Vocabulary (15 points)21. In face of _______ failure, it’s important for us to keep ________ good state of mind.