题目内容：

Tom has worked here____two years ago.
a.for b.at c.in d.since Where's Bob?He____paris with his sister .He'll be back in two weeks.a.has been to b.has gone to c.comes from d.went to

优质解答

D since与完成时连用 B has gone to 表示去了,但还没或来.has been to表去了,但已经回来,是去过的意思