It’s too cold in the room. Please keep the door _______.

Tom is _____ taller than last year

—What do you think of your new friend Annie? —She’s a top student(好学生). But she is            at sports than me.

—How do you like her singing? —I think no one sings _____. 

The lake looks         in the moonlight and we can hear insects (昆虫) sing                 .