________somanypeopleintheUnitedStatesbeenoutofworkastoday.
A、MorethaneverbeforeThefarmerhadtowearheavybootsinthewinterbecausethefieldsweretoowetand________.
I'msorryIforgottowrite;Ihadsomuchelse________mymind.
Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
Insomeschoolschildrenwhoprefertoreadbooksratherthan________footballbecomesocialoutcasts(被抛弃者).
Theboyranoutoftheclassroomwithouttheteacher's_______.
