Asyoulikepopmusic,__________Ilikeliterature.
A、soWhenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
________somanypeopleintheUnitedStatesbeenoutofworkastoday.
Tostudyaforeignlanguage,__________.
Weregretto________thatitmaynotbepossibletodealwitheveryrequest.
Theboyranoutoftheclassroomwithouttheteacher's_______.
