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Tomhasbeenherejustoneyear,buthisfatherhasworkedheretenyearsago.A.since;forB.since;sinceC.for;sinceD.for,/.

题目详情
Tom has been here ____ just one year ,but his father has worked here____ ten years ago.A.since;for B.since;since C.for;since D.for,/.
▼优质解答
答案和解析
C since+从句或过去时间点 for+一段时间