谈论：talk(about)
轮流：by turns
问答: ask and answer
写封信： write a letter
在不同的地方：in different places
把书放进书包里：put the books into the bag
三把红色的尺子：three red rulers
7个电话：seven calls
8把钥匙：eight keys
4个箱子：four boxes
talk
in turn/on duty
ask and answer
write a letter
in different place
put the books into the bag
three red rulers
seven phones
eight keys
four boxes
talk about
in turns
answer
write a letter
in different places
put books into the bag
three red rulers
seven telephones
eight keys
four boxes
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