用所给词的适当形式填空（1）Listen! Kate (sing) in the next room.（2）Look! Two boys ( play) basketball in the clas...

题型：填空题题类：常考题难易度：普通

用所给词的适当形式填空
（1）Listen! Kate (sing) in the next room.
（2）Look! Two boys ( play) basketball in the classroom.
（3）She (swim) at the pool now.
（4）Tom (write) a book these days.
（5）What's your sister doing? She ( clean) her room.