四、给句子标上正确的序号，使其组成一段完整的对话。
()Thank you.
()Let's clean our room.
()OK. Let me help you clean the windows.
()Wow! Our room is so clean now.
()You're welcome.

四、3 1 2 5 4

五、根据图片提供的情景，判断下列对话是(T)否(F)正确。

1. ()
—Let's put away the pencils. —All right.
2. ()
—The room is so dirty. —Let's clean it.
3. ()
—Please clean the window. —OK.

五、1. F 2. T 3. F

六、阅读短文，选择正确的答案。
I'm Mike. Look! This is my new classroom. There are twenty desks and nineteen chairs. The teacher's desk is big and the students' desks are small. We have two new blackboards and six new lights. There are some flowers near the big desk. A computer is on the big desk. Some books are on the small desks. The students are not in the classroom.
()1. Mike has a(n) classroom. A. new B. small C. old
()2. There are chairs. A. 18 B. 19 C. 20
()3. There is a(n) teacher's desk in the classroom. A. small B. big C. old
()4. We have new blackboards and new lights. A. 1; 5 B. 4; 7 C. 2; 6
()5. A computer is the big desk. A. on B. in C. under

六、1. A 2. B 3. B 4. C 5. A
【译文】
我是迈克。看！这是我的新教室。（这里）有 20 张桌子和 19 把椅子。老师的桌子很大，学生的桌子很小。我们有两块新黑板和六盏新灯。大书桌附近有一些花。一台电脑在大桌子上。一些书在小桌子上。学生们不在教室里。