He _____ in Shanghai for five years.

By the time of last year, she ______ the piano for five years.

A. learnt????????????? B. has learnt????????? C. had learnt????????? D. will learn

The new school _________ in the past five years.

A built             B has been built        C has built         D will be built

—My old friend White is going to visit me.

—We haven't seen each other _____ five years.

A. since 　 B after 　　C. for

—How long has your brother _________ in the army ?

—About five years.