One of my teammates fell ill _______ he can’t practice with us now. [ ]

Mum, do you know if Dad _____ a model plane for me?- I think he will do if he _____ free.

Tom is a new student in this school. He ________have many friends here.

Excuse me , would you please speak a little more ____?—Sorry, I thought you could follow me.

Tom had his bad tooth ________ yesterday.