The Present Perfect课前热身1.The famous writer _ one new book in the past two years . . writes B.wrote C.has written2,I _ the League for 5 years so far. A. joined B. have joined C. have been in 3.Mary and Rose _friends since they met in 2000. A.have made B.have been C.made D. have become4.Our country _ a lot so far .Yes. I hope it will be even _ . . has changed ; well . changed ; good . has changed ; better 5. _ you _ your hom
