there used to_(is)a clean river before.

there used to_(is)a clean river before. ______ plenty of water in this river.A.There used to being B.there used to beC.There is used to beingD.There was used to be There --- a dirty lake, now here is a beautiful garden. A used to B used to be C used to have D is My sister has been in America for half a year.She _____ the life there.A.is used to B.used to C.is used John is talking to_.填反身代词 Look,that is our new school building.There _____ old low houses.Look,that is our new school building.There _____ old low houses.A.used to B.used to be C.used to have D.used to having There is no need____the computer.A.use B.using C.to use D.used原因? In the past,there is a hall.(用used to改为同义句) She there anything A:is not used B:us not use why do some of whales have to_?because their number is getting smaller and smaller.why do some of whales have to_?because their number is getting smaller and smaller.a.protect b.protected c.be protected d.be protect Is there a hospital here?---No but there{ } Awould B used to C used to be D ought to 为什么选那个 选哪个 There used to be a shop near here,--------?什么东西去了,忘了?is not there?was not there?did not there? This money____help homeless animals.A is used toB used toC is used forD used for 请问 There used to be a park. Once there is a will,there is a way.I'm a lazy girl.And I used to be familiar with the life type 英语there be句型 There is going to have a meeting 和There used to have a meeting in the afternoon 这两句 那里错了? 新世纪的语法题 急There ________ only one international airport in Shanghai .A used to is B used to had C used to be D used to have Amy ___ the library.She______ book there times a week.A has gone to； has been used to borrowingB has gone to; is used to borrowing