Change the clause in each of the following sentences into a present participle phrase.

题目

Change the clause in each of the following sentences into a present participle phrase.
1 Because I do not konw her address,I can'twrite to her.
2 Remember to close the windows when you leave the classroom.
3 The woman who teaches us English is from America.
4 Since he was chewing some food,he couldn't say a word in reply.
5 When he entered the room,he saw a stranger searching his desk drawer for something.
6 My brother had a bad fall from his mountain bike that he missed school for three days.

答案

Not knowing her address,I can'twrite to her.Remember to close the windows when leaving the classroom.The woman teaching us English is from America.Chewing some food,he couldn't say a word in reply.Ent...