Ithinkthere'resomeorangesinthebox,(变反意疑问句怎么变,这一类是那种用法?2Wehavetowatertheyoungtreesoften,orthey'lldie.=Theyoungtreeswilldie9()theyareoften()

Question

I think there're some oranges in the box,( 变反意疑问句怎么变,这一类是那种用法?
2We have to water the young trees often ,or they 'll die.
=The young trees will die 9 ( )they are often ( )

Answer 1

1.aren't there
像I think I guess 等,反意疑问在后.
2.unless,watered