I'll never do ______ .
正确答案: A
本题解析: 暂无解析
Will it be_____ before the professor returns ?
—Would you mind my sitting here ?
— ______ .
Only 5 _____ of the population of America _____ farmers .
I'm sorry I've forgotten to post your letter .
—Never mind . _____ post it myself .
Generally , the weather in Britain is_____ too cold in winter _____ too hot in summer .
—Why have you changed so much ?
—You don't know I ______ a hard life in the last ten years .
—What's the young man?
—______ .