Question

because of 转变1.He lay in bed because he had caught a bad col

Answer 1

1.He lay in bed because of a bad cold.

2.He couldn't walk because of his broken leg.

3.I came back because of the rain.

4.They stayed in because of the bad weather.

5.We didn't get home till after midnight because of the missed bus.

总而言之,because后接完整的句子,because of后接名词或名词短语.