单项选择题
A.had B.suggested C.asked D.made
Mr. Jones, this is Sean, an English teacher from the Un...
单项选择题Mr. Jones, this is Sean, an English teacher from the United States.（）
A.What can I do for you? B.Nice to meet you. C.Please keep in touch. D.Haven't seen you for ages.
Mr. Jones（）in the company for twenty years by the end o...
单项选择题Mr. Jones（）in the company for twenty years by the end of next month
A.will work B.will have worked C.has worked D.would work
Mr. John was busy,（）he could not come.A.butB.thereforeC...
单项选择题Mr. John was busy,（）he could not come.
A.but B.therefore C.and D.nor
