（ ）1.China is_______Asian country, while the UK is_______European country. A.a； a B. an； a C. an； an D. a； an （ ）2.—Could you please tell me_______? —Sure. It’s on Center Street. A.how is the bank B. how the bank is C. where is the bank D. where the bank is （ ）3.Mr. Li ______this watch in 2000. He _____ it for 18 years. A.bought, has had B. bought, has C. has bought, has had D. has bought, had （ ）4. He used to be silent,_______ A. was he? B. wasn’t he? C. did he? D. didn’t he?