4.By the time Jack returmed home from England,his son ___ from college.A.graduated B.has graduated C.had been graduating D.had granduated 答案 1.B bring down 降低,减少 政府已经采取措施降低日用品的高价格,以维护市场的稳定.2.B suggests 表明很多人在公共场所抽烟的事实表明我们需要进行一场...
A mother and her young son got into a bus in a small city and sat down.The bus conductor came to them for their tickets.The mother said,"I want one ticket to London."And gave him two pounds.The conductor looked at the small boy for a little while and them said to him,"How old...