— Susan, would you like to go hiking with us this afternoon?— I'd love to, but I study for a test.A. may B. have to C. can
-Would you care for a cup of tea?--I one. Thank you all the same.
--Peter _____ all night and made the TV set work.--Oh, he is an able boy!
--My son coughed badly last night. What can I do?--You ____ worry so much about it. Drinking more water will help.
–What about going to the movie tonight, Alan?--Sorry, I am busy ____ a report. ______, it is raining cats and dogs.
My grandfather is in his eighties, ______he is still in good health.