————hecametostudyintheuniversity,hehasmademuchprogressinthestudyofenglishA\whileB\whenC\sinceD\aftertigersmeat-eatinganimalsfeedonmeatA\belongedtoB\belongingtoC\werebelongedtoD\belongtowewerestrugglingt

Question

————he came to study in the university ,he has made much progress in the study of english
A\while B\when C\since D\after
tigers_____ meat-eating animals feed on meat
A\belonged to B\belonging to C\were belonged to D\belong to
we were struggling to keep our ( ) as the boat rolled (balanced)

Answer 1

1 用since 后有has made表现在完成,用since
2 选b 此句子中有了谓语feed,所以用非谓语,tiger与belong为主谓关系,用进行时表修饰
3 balance 作名词