–I can’t stop smoking, doctor. --For your health, I’m afraid you________.
ORBIS uses a flying eye hospital______________ poor countries, right?
Tom ______ go to bed late, but now he _______ to bed early.
I think _____________ necessary to do some morning exercises every day.
Don’t _____________ the disabled persons. We should help them.
It will be rainy, you’d better take_____ umbrella