By the end of last year they _____ 1,000 machines.A. turned outB. had turned outC.

By the end of last month, three English songs（) .

By the end of last year China’s foreign reserves ____ $4 trillion.A: have reachedB: ha

John told us that by the end of the year they _____ together for thirty years.A.

Professor Wu told us that by the end of the year

By the end of the year the sales plan for the ne

He said “I ______ a lot of new poems by the end of last year.”