21世纪教育网
设计作品0
—Yes, the greatest event was the Chang’e 5 task.
A. experiences
B. achievements
C. instructions
D. expressions
2. —Look! Factories are putting waste into the river.
—It ________. We should write to the government and ask them to close down the factories.
A. mustn’t pollute
B. can’t be polluted
C. can pollute
D. must be polluted
3. —Do you know ________
—It has run out of power and doesn’t work.
A. how the electric toothbrush is used
B. what’s wrong with th
转载请注明出处!本文地址:https://www.docer.com/preview/21407571
关注稻壳领福利