一、单元重点词汇 1. [06湖北]it's already 10 o'clock. i wonder how it _____that she was two hours late on such a short trip. a. came over b. came out c. came about d. came up 2. [05江西]please tell me how the accident _____. i am still in the dark. a. came by b. came upon c. came to d. came about 3. [07江苏]—do you think that housing price will keep _____in the years to come? —sorry, i have no idea. a. lifting up b. going up c. bringing up d. growing up