This kind of car can run ___ the speed of 80 miles an hour.
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(Speak) _________ of buying an apartment, many young people don’t think they can afford one in large cities.
A 26-year-old man has been (serious) ________ injured in a road crash.
I am in trouble with my teacher over some (care) __________ work.
Helen has kept in touch with all her (custom) ____________ as often as she can.