all know, Jack isexperienced _____ the problem of this kind

May I speak to the headmaster—Heameeting now. Can I take a message

They have been working on the bridge for a week Itseems they need ________ two weeks to finish it

Often he________sit for hours doing nothing at all when he was in low spirits. [ ]

I think drinking milk is good____ our health.— Yes, I agree _____ you.