—Must we clean the classroom now?—No ,you _______.
--- I plan to take a boat trip to Tai Lake next week. ---That’s great! _________.
Put it down,Tom. You mustn’t read______letter.
They often had fun ______ ball games before. But now they have no time ______ after-school activities.
—Don’t play with fire. —_________.
Daniel had one month_____last summer and he took a course _____DIY.