21.The sign reads “ In case of _____fire, break the glass and press ___ red button.”
A. /; a B. /; the C. the; the D. a; a
22.____ along the street and you’ll find the post office.
A. Walking B. To walk C. Having walked D. Walk
23. Does _____ matter much that they will not come tomorrow?
A. that B. this C. he D. it
24. We had a good many anxious moments but everything____ all right in the end.
A. turned up B. turned on C. turned out D. turned to
25. Go cycling ? That’s a good idea. But wait until he_____ his composition.
A. finish B. finishes C. will finish D. will have finished
