Ⅰ.用所给词的适当形式填空
1．Hearing (hear) the cry for help, we rushed out of the room.
2．Starting (start) at once, we'll arrive tomorrow morning.
3．Being (be) too busy these days, I have no time to play table tennis.
4．He sent me an email, hoping (hope) to get further information.
5．Knowing (know) where I live, he never comes to see me.
6．The child fell, striking (strike) his head against the door and cutting it.
7．Not_knowing (not know) how to do it, he had to ask for help.
8．Having_found (find) the answer, he felt relieved.
9．Having_been_taught (teach) hundreds of words, the students can make up some simple dialogues.
10．School being (be) over, the students left the classroom and went home.
