Tim is on duty today.Look!He _____ [clean]the blackboard.
Tim is on duty today.Look!He _____ [clean]the blackboard.
Lucy is on duty today.Look!She is c______ the blackboard 问:空
who's on d___ today please clean the blackboard
It is my turn to clean the blackboard today
is on duty today
Let him______(clean)the blackboard today
lucy,you clean the blackboard today,
Let him ___(clean)the blackboard today
what is on duty today?
who is on duty today
Look!The girl is __________(确实) writing on the blackboard.
It is time for me to clean the blackboard today.同义句 It is __