1.Theflowersweresolovelythatthey__________innotime.
A,hadbeensold
B,weresold
请问A怎么不可以?
2.Everyyear,whenthepeachblossomsareattheirbest,afestival_____attheBeijingBotanicalGardon.
A.isheld
B.willbeheld
请问B为何不行?
3、InmanyplacesinCHINA,_____bicycleisstillapopularmeansoftransportation.
请问bicycle前面一定要加the吗?