1.1. What color is Grandpa’s car?

A Red.

B Yellow.

C Blue.

D

解析：选B。B 细节理解题。根据“Grandpa has a small yellow car.”可知，爷爷的车是黄色的。故选B。

2.2. Where do they go on the sunny day?

A The school.

B The park.

C The zoo.

D

解析：选B。B 细节理解题。根据“One sunny day, he takes me to the big park.”可知，他们在那个晴天去了公园。故选B。

3.3. What do they find under the tree?

A A ball.

B A box.

C A boat.

D

解析：选A。A 细节理解题。根据“It’s a red ball. It’s under a tree.”可知，他们在树下发现了一个球。故选A。

4.4. What’s in the box?

A A red ball.

B A yellow car.

C A blue boat.

D

解析：选C。C 细节理解题。根据“We open the box together. Wow! A new blue boat inside!”可知，盒子里是一个蓝色的玩具船。故选C。