在“_______”上补充单词,按要求些句子,补充句子.
Choosethemostsuitableprepositionstocompletethefol.
lwillseeyouatschool______ninetomorrow.
Thereisahouse______theriver.
Weshouldlearn______LeiFeng.
Camyoubreathe______water?
Theboyhelpedtheoldlaywalk______thestreet.
Don'tworkimmediately______ninetomorrow.
Rewritethesentencesaccordingtothedirections.
1.Theywereplayingbythedoorashorttimeago.(改为否定形式的疑问句)
2.Itisafunnycat.(改为带What的感叹句)
3.Musttheyfindtheoldman?(改为否定回答)
Completethefollowingsentences.
1.我们两星期前去桂林.
WewenttoGuilin__________________.
2.他们当时在哪种树?
__________________plantingtrees?