20.—Though it is 30 years _____ we last met, I still remember the scene _____ we got separated on a rainy day.
I will be surprised if you can get Calvin, who is a close-fisted man, _______these donation draw tickets from you.
Now my hometown is not at all _______ a traveler who visited it ten years ago can expect.
Peter has gone to Beijing, but I’m wondering why he ________ in such a hurry.
These citizenship ceremonies on Australian Day are intended to encourage ______, respect and promote friendship among people of different cultural and social backgrounds.
--I want some information on _______ package tour to Thailand. --OK , it costs 400 dollars, including _____ accommodation.