To his great surprise, John was elected___ chairman of _____ Students’Union.A. a; a B. a; the c. the; the D. /; the
33. A police officer was killed when a bomb on his car _______.
32. ---The boy is tall enough _________ his age. ---Yes, I was much ________ when I was his age.
31. This painting to a museum in New York in 1977.
30. You’d better take something to read when you go to see the doctor _______ you have to wait.
29. _______ walk is expected to last all day, so bring ________ packed lunch.