Choose the best answer A, B, C or D to fill in the blanks.
2. There has been a _____ increase in high-rise buliding over the last five years.
A. popular B. considerable C. big D. lot
3. It was very ______ that a couple in the past could have about 5 to 10 children.
A. shared B. obvious C. popular D. common
4. In the old days, people ____ phrynium leaves before they made Chung cakes.
A. had collected B. have gained C. would collect D. had gained
5. We really like the photo ____ in the school’s 70th anniversary.
A. exhibit B. exhibiting C. exhibition D. exhibitioner