By the time she went outside, the bus ____ already ______ .
_____has your brother studied in New York? —For two years. A. How old B. How often C. How long
Bob promises to join in the football match ______ he has to help his parents on the farm. A. if B. as C. unless
-- Did you find the small village yesterday? -- Yes, without any difficulty, for it has ______ changed over years. A. hardly B. greatly C. clearly
I couldn't get through the door because there was a big box ______. A. by the way B. on the way C. in the way
It's nice of you to ______ so much time showing me around your school. A. take B. spend C. cost