Present Perfect - Since / For

Front

I ______________ (do) much work ___________ my boss left.

Back

haven't done  /  since

Front

I ______________ (be) to China ______________ 2002.

Back

haven't been / since

Front

She ___________ (be) a doctor ____________ more than forty years.

Back

has been / for

Front

Complete the sentence: Hi, Angela. How are you? I ____________ (not/see) you ___________ ages.

Back

haven't seen / for

Front

I left the university in 1995. I ___________ (work) in this company ____________ about fifteen years.

Back

have worked  /  for

Front

I didn't see Jack yesterday. In fact I ___________ (not/see) him __________ Monday.

Back

haven't seen  /  since

Front

He is really tired. He ____________ (be) working __________ 5:30 a.m.

Back

has been / since

Front

She ______________ (not/drive) a car _____________ she had the accident.

Back

hasn't driven  /  since

Front

I ______________  (live) in this city since 2007. I ______________ (come) with my family many years ago.

Back

have lived  /  came

Front

I ____________ (buy) this house in 1999, so I ___________ (live) here for more than 10 years.

Back

bought / have lived