Ⅰ.Read and choose.(选出每组单词中不同类的一项。)
()1. A. nineteen
B. bank
C. twenty
()2. A. book
B. boat
C. each
()3. A. spend
B. bank
C. pay
()4. A. back
B. eighteen
C. sixteen

Ⅰ.1. B 2. C 3. B 4. A

Ⅱ.Read and choose.(单项选择。)
()1. One , tick. Two , tock.
A. minutes; minutes B. minute; minute C. minute; minutes
()2. — is this boat? —Twenty yuan.
A. How much
B. How many
C. How about
()3. watch the clock.
A. Not
B. No
C. Don't

Ⅱ.1. C 2. A 3. C

Ⅲ.Read and choose.(读一读，选择合适的数词补全短文。只填选项，有四项多余。)

|A. four B. five C. six D. seven E. eight|
|----|
|F. ten G. twelve H. twenty I. fourteen|
|J. fifteen K. sixteen L. seventeen|
One frog has one mouth, two eyes and four legs ... Three frogs have three mouths, 1. eyes and 2. legs. Four frogs have 3. mouths, 4. eyes and 5. legs. Five frogs have 6. mouths, 7. eyes and 8. legs.

Ⅲ.1. C 2. G 3. A 4. E 5. K 6. B
7. F 8. H