写出下列所给词的复数形式.快1.am2.clock3.photo4.family5.pencil6.dictionary7.it8.that9.baseball10.watch
问题描述：
写出下列所给词的复数形式.快
1.am
2.clock
3.photo
4.family
5.pencil
6.dictionary
7.it
8.that
9.baseball
10.watch
答
are clocks photos families pencils dictionaries they/them
those baseballs watches
答
are
clocks
photos
families
pencils
dictionaries
they/them
those
baseballs
watches