Sorry, we are late,--our plane was _____ because of the heavy rain.
. —— What can I do for you? ——I’d like to buy a gift for my mother’s birthday, one at _________ proper price but of ___________ use and it’d better be __________ surprise.
___________ healthy, with easy access to affordable medical care, is still a dream for many people with medicine prices ___________ sharply.
A foreign language like English is difficult to learn, so you ____________ work too hard.
Mr. Smith works as a government official now, but he ______ in a middle school for 5 years.
I make most of my money by writing books but I do __________ magazines sometimes.