连词成句,注意大小写,标点符号。
(1)
this , playground, is, the (.)
(2)
to, our, welcome, school(!)
(3)
is, on, second, it, floor, the(.)
(4)
the, is, where, library(?)
答案: This is the playground.
Welcome to our school!
It is on the second floor.
Where is the library?