1.It's time to (play) football.Put(put) on your shoes,please.(it's time to do sth.固定搭配)
2.They are (play)cards now.(以为有now,所以是现在进行时)
3.He often wears (wear)black trousers（因为有often,所以是一般现在时）
4.Listen!The girls are singing (sing)in the next room.（出现listen,是现在进行时）
5.Jim is good at swimming (swim).（be good at doing sth.固定搭配）