—Youlookverypale.You__________verytired.—Ididn’tsleepatalllastnight.
Woodisoften_________paper.
AnA4sizedpanel(太阳能板)putontothebackofajacketcosts__________US$15.Itcould__________acellphoneduringasummerwalk.
Youlooknotabitolderthanyoudid5yearsago.Howdoyou__________soyoung?
Mr.Smithisingoodhealthnowforitisquitealongtimesincehe__________.