The reason________he was late was ________he missed the train.                  

—Don't you think it necessary that he ________ to Miami but to New York?—I agree, but the problem is ________ he has refused to.

_______ made the school proud was______ more than 90% of the students had been admitted to key universities.

(2014·辽宁大连高三双基测试)—When choosing furniture，you only focus on function while I think more about the design.—That’s________we differ.

Xiao Ming practises his spoken English once there is a chance and that is_________ it takes to live his dream to be a good guide．