主语从句专练I. 用适当的词填空,使句子意思完整。1. _ he didnt attend the meeting yesterday wasnt quite clear.2. _ team will win the match is still unknown.3. _ comes to the party will receive a present.4. _ Mary has left is still a question. 5. Its reported _ three people were killed in the accident and five were hurt badly.6. _ he solved the problem successfully interested all of us.7. We usually think _ we cant get seems better than what we have. 8. It is a