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                    - Mr. Wu, I can’t understand everything in class. —Don’t worry! I’ll _______ the main points at the end.
 - Mr.Li, I can’t understand everything in class.——–Don’t worry ! I’ll _________ the main points at the end.
 - Shall we go to visit Mr. Wang now?—Mr. Wang________here now. He left for Shanghai by air this morning.
 - Mr. White spent about one hour and a half _________ the accident report yesterday evening.
 - Mr Brown will five days to have a good rest.
 - Mr. Wu found a number of magazines in the classroom ______________.
 - Mr. Wang, must I come again to clean the window on Sunday morning?—No, you _____ . I have asked others to do it.
 - It seems that Mr. Wu is standing there.— It ______ be him because he called me from Canada just now.
 - Mr. Wang has left for Guangzhou. He ____ a speech there in two days.
 - Mr Zhang often tells us _____ afraid of making mistakes when you speak English.