—Is ______ here? ---No, Tom isn’t here. But it’s time to have class.
The old photo _______me of my happy childhood.
_________interesting weather it is!
I believe that there are many ways ________our love to our parents.
--- This math problem is _____ hard for me to understand. Can you help me ? ----Sure. It’s my pleasure.
My mother often tells me______the teacher in class.