选择正确的翻译。
1．他正在看书。[ ]
A. He is reading a book.
B. He is readding a book.
C. He is writing.
2．这是一只棕色的狗。[ ]
A. This is a blue dog.
B. This is a brown dog.
C. This is a brown cat.
3．这是橘汁。[ ]
A. This is an orange juice.
B. This is orange juice.
C. This is orange.
4．这是一双袜子。[ ]
A. This is a sock.
B. This is a pair of sock.
C. This is a pair of socks.
5．让我们做游戏吧！[ ]
A. Let's play a game!
B. Let's play together!
C. Let's go!