Ⅳ. Read and choose.（读一读，选择合适的选项补全对话。）
A. air B. help C. grow D. need
A: Plants need our 1.
B
.
B: Yes. They 2.
D
water, 3.
A
and sun.
A: They can help plants 4.
C
.
答案：1. B 2. D 3. A 4. C
Ⅴ. Rearrange the words.（连词组句。请将字母写在横线上。）
1. $\frac{\mathrm{need}}{\mathrm{A}}$ $\frac{\mathrm{We}}{\mathrm{B}}$ $\frac{\mathrm{plants}}{\mathrm{C}}$
BAC
.
2. $\frac{\mathrm{help}}{\mathrm{A}}$ $\frac{\mathrm{need}}{\mathrm{B}}$ $\frac{\mathrm{our}}{\mathrm{C}}$ $\frac{\mathrm{Plants}}{\mathrm{D}}$
DBCA
.
3. $\frac{\mathrm{them}}{\mathrm{A}}$ $\frac{\mathrm{We}}{\mathrm{B}}$ $\frac{\mathrm{can}}{\mathrm{C}}$ $\frac{\mathrm{help}}{\mathrm{D}}$
BCDA
.
答案：1. BAC 2. DBCA 3. BCDA
Ⅵ. Read and judge.（阅读对话，判断正“T”误“F”。）
John: Our school gardens need help.
Chen Jie: How can we help?
John: We can water the flowers.
Chen Jie: We can water the grass.
John: Nice. And we can plant trees.
Chen Jie: Let's plant trees.
John: OK.
(
T
)1. John's school gardens need help.
(
T
)2. They can water the grass.
(
F
)3. They want(想要) to water the trees.
答案：1. T 2. T 3. F
