1. It is estimated that our city will have population of one million by year 2020.
A. a; \ B. the; \ C. the; the D. a; the
2. To our surprise, Lily’s is very different from her twin sister Lucy’s.
A. feature B. character C. symbol D. sign
3. — The traffic is too heavy. Would you like me to help you the street?
— That’s very kind of you.
A. beside B. across C. opposite D. over