“设身处地”，可以帮助播音员、主持人( )
哥德巴赫猜想(奇数情形)：任何不小于7的奇数都可以写成()个质数的和.
()_____youseetheblackboard?
()Well，wouldyoulike_____todrink?
Whenyouseeforeignfriendsinourschool，youcansaytothem“W_____tomyschool
Look，mygrandmotheris_____mygrandfather
