二、从方框中选择合适的句子补全对话。
A. Be careful!
B. Let's go to the bookshop.
C. I'm sorry.
D. We can go now.
E. I want to buy a new book, Mum.
Lily: 1.
Mum: 2.
Lily: OK. Let's cross the street.
Mum: 3. Look at the red traffic light. Don't cross the street.
Lily: Oh! 4. Let's stop and wait.
Mum: The traffic light is green. 5.
Lily: OK. Let's go.

1.E 2.B 3.A 4.C 5.D

根据对话语境，1处Lily表达想买新书的想法，选E；2处妈妈回应去书店，选B；3处妈妈提醒过马路要小心，选A；4处Lily意识到错误道歉，选C；5处绿灯时妈妈说可以走，选D。

三、根据上下文连词成句，使对话完整（注意标点）。
A: Hello, Amy! Let's go to the park.
B: Great! 1.
(road, The, busy, is)(.)
A: Yes. 2.
(we, How, cross, can, safely)(?)
B: First, 3.
(light, look, the, traffic, at)(.)
A: OK. The light is red now. 4.
(wait, We, must)(.)
B: Yes. When it's green, 5.
(and, right, left, look, first)(.)

1. The road is busy. 2. How can we cross safely? 3. Look at the traffic light. 4. We must wait. 5. Look left and right first.

本题为四年级英语连词成句题，需结合所给单词及标点符号，依据英语句子的基本结构（如主系表结构、特殊疑问句结构、祈使句结构等）连词成句，使对话内容完整通顺。

一、阅读短文，判断句子正 (T) 误 (F)。
Road safety is very important for everyone. We must follow traffic rules to stay safe. When we cross the road, we should wait for the green light. Before crossing, we need to look left and right carefully. We mustn't run on the road, because there are many cars and buses. When riding a bike, we should wear a helmet(头盔). It can protect(保护) our heads. We can't run to catch a bus with our friends. It's dangerous(危险的). Remember these rules, and we can keep safe on the road.
（）1. Road safety is important for everyone.
（）2. We can cross the road when the light is red.
（）3. We should look left and right before crossing the road.
（）4. We don't need to wear a helmet when riding a bike.
（）5. Running to catch a bus is dangerous.

1.T 2.F 3.T 4.F 5.T

1. 原文第一句明确说明道路安全对每个人都很重要，故正确；2. 原文提到过马路要等绿灯，红灯时不能过马路，故错误；3. 原文提到过马路前要左右仔细看，故正确；4. 原文提到骑自行车要戴头盔，故错误；5. 原文提到跑着赶公交是危险的，故正确。