Three tall boys sit in front of me so I ________ see the blackboard.
It usually takes my mother forty minutes _______ the house.
There is _____ “u” and _____ “r” in the word “your”.
Don’t throw plastic bags towards the animals in the zoo.
---Is that Mr Smith?---It __________ be him. He is in New York on business these days.
The boy looked __________ because he didn’t pass his maths test.