You should know the traffic rule now, for you have had me________so many times.
24. ---The last one _______ pays the meal. ---Agreed!
23. Where to get the materials and how to get them ________ at the meeting.
22. Hurry up, _______ you will miss the early bus.
---Shall we meet at 6:00 or 7:00? ---________.
At last he _____ finish the work ahead of time.