Today is a fine day, and my mum takes me to the zoo. There are many animals in the zoo. Look! There are two tigers. They are walking. Two rabbits are running and a lion is sleeping. I like monkeys best. They are playing now. They like eating yellow bananas. Sometimes they climb trees, and they are very good climbers (攀爬的动物). Sometimes they jump up and down.

1.I go to the zoo with ________ today.

A my father

B my mother

C my grandma

D my grandpa

解析：选B。B细节理解题。根据“my mum takes me to the zoo”可知，我和妈妈一起去的动物园。故选B。

2.The rabbits are ________.

A walking

B running

C jumping up and down

D sleeping

解析：选B。B细节理解题。根据“Two rabbits are running”可知，两只兔子在奔跑。故选B。

3.My favorite animal is ________.

A the monkey

B the lion

C the tiger

D the panda

解析：选A。A细节理解题。根据“I like monkeys best.”可知，我最喜欢猴子。故选A。

4.The monkeys are ________ now.

A jumping up and down

B eating yellow bananas

C playing

D sleeping

解析：选C。C细节理解题。根据“I like monkeys best. They are playing now.”可知，猴子正在玩耍。故选C。

5.________ are good climbers.

A The rabbits

B The cats

C The tigers

D The monkeys

解析：选D。D细节理解题。根据“they are very good climbers.”可知，猴子是善于攀爬的动物。故选D。