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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