21. twenty-fifth of December is Christmas Day.
A. The; a B. The; the C. A; the D. The; \
24. a concert next Saturday?
A. There will be B. Will there be C. There can be D. There are
26. The boss made them ten hours a day.
A. worked B. working C. work D. to work
29. There were about people there.
A. two thousand of B. two thousands of C. two thousands D. two thousand
33. Only one of these books is worth .
A. to read B. being read C. of reading D. reading
35. – What are you doing?
- I am the children. They should be back for lunch now.
A. looking at B. looking up C. looking for D. looking after
40. -- Do you mind my taking this seat?
-- .
A. Yes, sit down please. B. No, of course not.
C. yes, take it please. D. No, you can’t take it.