难度：★    考点：量词数词

　　1. If a = 3 and b = 4, what's the answer to the problem: a + b + 1 = ? The answer is ______.

　　A. twelve   B. nine    C. eight    D. seven

　　2. -Would you like to have _____ apples?

　　-No, thank you.. I've had enough.

　　A. other two    B. another two   C. more two   D. two others

　　3.We have two ears and one mouth so that we can listen________we speak.

　　A. as twice much as    B. twice an much as

　　C. as much as twice    D. as much twice as

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