The students found _______ easy to work out this maths problem.
-Mike, please don't play games on the phone in class. - .
-Are you going to play basketball this evening? -I can't decide. It _ my parents.
-Could you please tell me _ ? - Sure. There's a flower store on the second floor.
Children _ sit in the front seat of the car. It’s too dangerous.
- Have you read the library book? -Not yet, I have just _ it for three days.