参考答案

Ⅰ.1.With the help of Lily, Daming can speak fluent English now. 2.He can't/couldn't have finished so much work in so short a time. 3According to the weather forecast ,it may rain tomorrow 4.May we leave now? No, you mustn't. You haven't finished your homework yet. 5.The office building caught fire yesterday. But luckily, the people trapped in it were able to escape out of it.

Ⅱ.CCCDCACA

Ⅲ.1.who 2.would 3.might4.while 5.had eaten/ate 6.can't 7.must 8.thinking 9 shall 10 must