2 three
yes
no
5 five
yes
no
four 7
yes
no
1+3=?
five
six
four
seven
10-2=?
eight
five
six
one
5
five dogs
five cats
ten cats
five cat
哪个指代这个老爷爷?
she
we
he
it
哪个指代这个姐姐
she
they
he
it
It ____ one cat.
am
is
are
Five pens _____ black.
am
is
are
I ____ one boy.
am
is
are
You _____ one boy.
am
is
are