选择正确译文。

1. 请摘下你的手套。 [ ]

A. Please take off your mitts.

B. Please take off my mitts.

2. 他正在戴帽子。[ ]

A. He puts on his hat.

B. He's putting on his hat.

3. 他打算拿下围巾。 [ ]

A. He is taking off his scarf.

B. He's going to take off his scarf.

I have _____ book. It’s ______ English book.

A．a; a

B．a; an

C．an; a

D．an; an