你想说我们在同一个班级时，应该说：（ ）
A.We are in the same class.
B.We are in the same grade.
C.We are in Class One.
This car factory ____________ many，many cars every year.
A. making
B. makes
C. make
Lingling，would you like ____________ the pictures of my family?
A. look
B. to look at
C. to watch
There ____________ so many people in the picture.
A. are
B. is
C. be
It's my ____________ birthday.
A. grandma's
B. grandma
C. grandpa
My dad is ____________ pictures.
A. take
B. to take
C. taking