It was sunny last Sunday. It was hot. I went to the beach with my family. I built a big sandcastle. Then a big wave came. It washed my castle away. I was sad. My dad helped me build a new one. It was even (甚至) bigger. I laughed a lot. I had a wonderful day.

1.1.It was cold last Sunday.

A T.

B F.

C

D

解析：选B。B 细节理解题。根据“It was sunny last Sunday. It was hot.”可知，上个星期天，天气很热。句子描述与原文不相符。故选B。

2.2.I went to the park last Sunday.

A T.

B F.

C

D

解析：选B。B 细节理解题。根据 “I went to the beach with my family.” 可知，作者去了海滩而不是公园。句子描述与原文不相符。故选 B。

3.3.A wave washed the sandcastle away.

A T.

B F.

C

D

解析：选A。A 细节理解题。根据 “Then a big wave came. It washed my castle away.” 可知，一个大浪把沙堡冲走了。句子描述与原文相符。故选 A。

4.4.Dad helped me build a bigger castle.

A T.

B F.

C

D

解析：选A。A 细节理解题。根据 “My dad helped me build a new one. It was even (甚至) bigger.” 可知，爸爸帮我建了一个更大的沙堡。句子描述与原文相符。故选 A。