题目内容
用括号内所给动词的适当形式填空。
1I ________ (read) a novel last night when I heard knocks at the door.
2 The young man ________ (live) alone since he graduated from college.
3Be careful ___________ (not fall) off the ladd
er.
4The actor and director ________(be) coming to give us a speech next weekend.
5 I overslept this morning. By the time I got to the train station, the train ________ (leave).
1was reading 2has lived 3not to fall 4 is 5had left
用方框中所给单词或短语的适当形式填空，使短文通顺、正确连贯，每个单词或短语限用一次。
| can help ground rather than encourage by plant we off unless |
There are many ways to save the environment if you would like. In this passage, you can find some ways.
Plant more trees. Choose a right 1_______ near your house or workplace. 2_______ there’s any rule stopping you growing trees in that area, go ahead and grow trees. Plant a tree every month and 3_______ your friends and classmates to join you. Have more and more trees 4_______ and there will come a day when you have green land thanks to your hard work.
Walk more and drive less. Choose to walk5______ drive your car. Walk or ride a bicycle to work if it’s not very far. Not only cycling but walking is good exercise. And each time you avoid using your car, you’re doing something 6_______ to cut down air pollution. You are saving fuel, saving money and keeping fit as well.
Save water. Water is very important for living things. It’s 7_______ who use and pollute it. The simplest way to save water is turning 8______ water taps after use. When you visit a beach, make sure that you don’t throw waste around. Do not pollute rivers 9________ dropping garbage or other waste. Water is so precious, so we10_______ waste or pollute it.