These are green balls and they're r__
These are green balls and they're r__
(---)are these schoolbags?They're green ,yellow ,blueand red
There are 19 red balls, 20 yellow balls, 15 green balls and
These are their balls.
1|Are those your sisters?yes,they,re 2 these are tom and pet
whose books are these?They're t______
-Are these coats_____ -Yes,they're ours.
--What are these?--They're watchs.改错
They're eyes.These are feet.
They‘re r__ at home for vacation.
they are 可以简写成they're,那么these are为什么不能简写成these're
( )these( ) ( No,( ) not ( ).( ) ( )are they?They're ( ).括号里