There ___ a lot of changs here since 1980A.have been B.have had C.will be D.are 选哪一个?为什么?

we learn ___ there.A.lot B.lots C.a lot D.a lot of There are ___ signs here.A.a lot B.a lot of C.much There are ___ signs here.A.a lot B.a lot of C.much There are a lot ___ birds ___ the treeA.of ; on B.of ; in C. / ; in there is often a lot of ___ (阳光)in summer There is not ___ jam in the bottle.A a lot of B many C little D much 我们老师说a lot of 可数不可数 There are ()rooms in the building a.a lot b.lot of c.a lot of Last night I ___ to the cinema.There ___ a lot of people there.A.went/are B.went/were C.went/was D.go/are There is a lot of ___ on the table A.oranges B.apples C.food D.vegetables There ___ a lot of meat on the plate.A.is B.are C.am D.be 语法说明 求详解,there has been a ___ of accidents at the crossroad.A series B variety C number D lot There are ___ paper in the workroom.A.a piece of B.a pile of C.piles of D.a lot of There___ a lot of money.There ___ lots of beautiful starfish there . There is a ___ snow on the roof of this house.A.a bit of B.a little of C.a lot请说明原因, Thank you ___.A、a lot of B、lots of C、lot of D、a lot填空 改写同义句：There are a lot of things you could do.You ___ ___ a lot of things ___ ___. There will be a lot of sunshine tomorrow.同义句 ___ will be very ___ tomorrow. There is ___ to do look after our enironment. A.aThere is ___ to do look after our enironment.A.a lot. B.plenty of. C.a lot of D.many things