7. Any news about the project may not be true until the company in charge makes its _____ announcement.
(A) curious (B) elegant (C) official (D) expensive
2. The president’s ______ visit marks the start of a more fraternal relationship between the two countries.
(A) official (B) naughty (C) skinny (D) natural
13. Taipei 101 is one of the important _____ in Taiwan. You can recommend it to your foreign friends.
(A) dormitories (B) landmarks (C) communities (D) acquaintances