- It’s _____ hard problem for the twins that ____ of them can work it out.
Mary’s grandpa is always ______ in the mountain village. He tells her he feels very______. So she’s going to visit him next week.
They argued _________ each other ________ the math problem yesterday.
__________ important for children __________ on themselves.
The book isfor us to read.
The cat is.You should take it to an animal hospital.