题目内容：

完形填空

Mary has some friends.  ________ Betty, Peter, Alice________  Mike. Mary is the oldest ________ . Betty is thirteen years ________ . She is younger than Mary and older than Peter. Alice is nine and Mike is seven.

Betty and Peter are ________  runners. But Peter runs faster. Mary and Betty like to________ . Mary plays better than Betty. Alice sings ________ of them. Mary and Betty study in a middle school. Alice and Mike study in a primary school. They ________ work hard at school. But Betty works ________  . Her handwriting is good, ________ .

1.A. They are          B. It is           C. There are

2.A. but               B. and             C. them.

3.A. in the five       B. of five          C. of the five

4.A. older             B. old             C. oldest

5.A. best              B. better           C. good

6.A. play basketball   B. play a basketball C. play the basketball

7.A. good            B. better           C. best

8.A. six               B. all               C. both

9.A. hard              B. harder            C. hardest

10.A. too              B. two             C. at