I don’t like physics ______ it’s too difficult for me.

My father taught me to cook, and he taught me to play basketball as well.

I haven’t had enough _______recently, so I’m always _______all day.

－Mona works really hard.－I agree. ___________she is ill, she still goes to school.

 —Oh, there’s someone knocking at the door. —_______ must be that naughty boy.