1) Harris has ____ a doctor for seven years. a) been b) gone c) is d) was 2) The company ____ built one hundred buildings in Taipei. a) have b) has c) is d) was 3) We ____ just eaten breakfast. a) have b) has c) are d) were 4) Cindy has just ____, but she'll be back in one hour. a) leave b) leaves c) left 5) Ben ____ taken this class before. a) have b) has c) is d) was 6) Jason has ____ to Paris before. a) gone b) went c) been d) go 7) The train to Tainan ____ already left. a) have b) has c) is d) was 8) Amy has ____ her key, so she can't open the door. a) lose b) loses c) losed d) lost

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