A great person is someone who ___________others.
-----Haven’t seen you for ages! Do you still work in Guangzhou? -------_______. It’s two years since I worked there.
Would you like to remind me _______ the medicine tomorrow?
The theory he sticks to ______ to be of no use in our studies.
____ that caused him to serve dinner an hour later than usual.
---- Do you know his address?---- No, I also wish I _____ where he _____.