See the flags on top of the building? That was we did this morning.
24. The reference book is of great value. ________ can be enjoyed from it until you have a deep understanding of it, however.
23. Some extra office equipment, including two desks and two computers, __________ to be ordered next week.
22. He’s succeeded in many fields but his wife is an ordinary woman, ___________?
21. Whether you believe what he said _________ what he does in the future.
20. His parents were teachers in that school, _______ lost their lives in order to save their students in the earthquake.