People still lack knowledge about what can be recycled and what cannot, especially when it comes to __________ kitchen garbage.【选项 】
Atlasttheygottheletterthey____________.
__________thetopofthepagoda(塔),thesceneryofthewholecitycanbeseenclearlyunderyourfeet.
WhenIvisitedthecityofRome,Ifoundthebuildings,squaresandparks_____________inverydifferentstyles.
Hecametothemeeting_____________hisseriousillness.
Theprofessorsaidthatyourdiscoverywas_____________.