Can you believe his reason for being absent from the class _____ he had to look after his sick mother at home? A.while B.that C when D.as
Pleasant music is often played_____classes to make students refreshed and relaxed for a while.
Can’t you notice that there is little time left? Please tell me the whole thing _______.
Too bad—— I missed the early train ______ only a few minutes!
________ the numbers in employment,the hotel industry was the second largest industry in this country last year.
It’s quite ______ me why such things have been allowed to happen.