21、Jim gets up very early one day and finds some changes（变化）in his house．But he can' t tell why．He carefully looks around the house and he sees that：

    ◆The big tree is on the right side of the house，but now it's on the left．

    ◆The garden with flowers is gone（消失）．In its place there is much grass．

    ◆There is a dog house in the corner of the yard, but it's gone．

    ◆The green clock in his bedroom is now a yellow one．

 “Mum! Mum! An alien（外星人）changes our house!” Jim runs to his Mum and tells her about it. Mum is cleaning the living room．She's not surprised（惊讶）at all．“Oh，it's your Dad．He thinks our house is too boring and wants to have a change． What do you think of the changes? Do you like them?”

根据短文内容，选择正确的答案。

1．After Jim gets up，he thinks there are     in his house．

A．all changes                                              B．some changes

    C．no clocks．                                               D．not any changes

2．The underlined（划线）word　“grass”　may mean“     ”in Chinese．

A．操场                   B．草地                    C．池塘                      D．牧场

3．How many changes are there in Jim’s house?

A．Four．                                                   B．Five．

C．Six．                                                        D．We don't know．

4．Who Changes Jim's house？

A．An Alien．           B．His mother．         C．His father．            D．His uncle．

5．What’s Jim’s mother doing at that time?

A．She's cooking．                                      B．She's cleaning．

    C．She's watching TV in the living room．       D．She's sleeping．