—Do you know when she____ back?--Sorry, I don’t know. I’ll call you when she ____ back.
Betty hasn’t got __________ meat in the fridge.
I _______ like science but I think it is very useful.
–______ is your art Lesson? – It’s at 8:20 today.
We have no lessons________ Sunday.
The students found _______ easy to work out this maths problem.