答案：will

　　10. He ________ speak English before such a crowd.

　　答案：dare/daren't

　　Ⅱ. 完成句子

　　1. Tom __________________ the exam for he is very happy now.

　　汤姆一定已经通过考试了，因为他现在很高兴。

　　答案：must have passed

　　2. If he __________________， he __________________ greater progress.

　　他如果不是因病缺课太多的话，早已经取得更大的进步了。

　　答案：had not been ill and missed many classes; would have made

　　3. If I ________ you, I __________________ to look for him.

　　如果我是你，我就会去找他。

　　答案：were; would go

　　4. If he ________ here, everything __________________ all right.

　　如果他在这儿，一切都会好的。

　　答案：were; would be

　　5. You ________________ more from him, if you had followed him.

　　如果你跟着他学，你本可以向他学到更多东西的。

　　答案：might have learned

　　Ⅲ. 句型转换

　　1. If you had not helped me, I would have failed.(转换为含蓄虚拟条件句)

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