1. A. books | B. clubs | C. hats | D. stamps |
2. A. which | B. what | C. who | D. why |
3. A. community | B. computer | C. museum | D. custom |
4. A. impolite | B. night | C. tradition | D. slight |
5. A. education | B. question | C. pollution | D. collection |
6. A. populated | B. loaded | C. wanted | D. lived |
Gợi ý: 1 - ...; 2 - ...; ....