Mr.Smithisingoodhealthnowforitisquitealongtimesincehe__________.
--Mike,you’vegotsomanybeautifulstamps.
--Yeah.I_________collectstampswhenIwasinprimaryschool.
Thenumberoftallbuildings__________greatlyinTianjininthelastfewyears.
Only5_____ofthepopulationofAmerica_____farmers.