六年级下册《A》集体备课PPT课件下载-韶关市优质课

2013

2017

old classroom

new classroom

There many new classrooms in our school now.

were

are

thirty years ago in Bengbu

now in Bengbu

There ____no museum in Bengbu _______________.

There _____ a new one in Bengbu _____.

was

is

twenty years ago

now

1997.2

2017.2

There _____ no park in Longhu _____________.

There ____ a beautiful one in Longhu _____.

2017.1

thirty years ago

was

is

now

1987.1

There ______ no supermarkets in Bengbu _____________.

There _____ many supermarkets in Bengbu ______.

were

forty years ago

are