到很多。 I disagree. They can ______ a lot ______ working.learn from should not be allowed 4. 你认为如果不用闪光灯的话可以允我们拍照吗？ Do you think we ____ ___ _______ to take photos if we don’t use a flash. may be allowed 观察例句中含情态动词被动语态的各种形式，补全结论中所缺的内容。【例句】1. Many trees should be planted in the mountains. |
