1. Now Earth is becoming more and more crowded.
2. I developed an interest in Art when I was at primary school.
3. They were the first Chinese people to live in America.
4. If you go there in summer, you'll enjoy the different kinds of flowers.
5. Look! The boy is running so fast! It's hard to imagine that his right leg was once broken.
6. As we all know, Earth is one of the planets in the solar system.
7. Like animals and plants, humans need water and air as well.
8. With the answer that his teacher gave, he did the math problem again.
用所给单词的适当形式填空:
1. There isn't any hope that they will win the final match.
2. It's possible that we'll move to Mars in the future.
3. Daniel is thinking about what life will be like in the future.
4. Yuan Longping is one of the most famous scientists in China.
5. Mrs. Green felt uncomfortable because of the seven-hour train trip.
用所给动词的适当形式填空:
1. The gravity on Earth can prevent people from floating.
2. There is enough space for people to stand in the future.
3. Andy agreed to teach his sister when we went to visit him this morning.
4. Students were made to go to the public places because of the terrible disease.
5. Look! A number of children are learning different skills for physical exercises.
选择填空:
1. Plants on Mars should provide food, water and oxygen.
2. Do we need to move to Mars?
3. Now a large number of children are becoming fatter and fatter because of eating too much.
4. Three fourths of the students in our class will visit the home of the elderly this weekend.
5. There won't be any pollution on Mars.
6. In the shopping mall, there are many different kinds of boots for people to choose from.
用方框中所给单词的适当形式填空:
Many students think that the advantages of online learning outweigh the disadvantages.
Students can learn from many examples to improve their skills.
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