hiện tại hoàn thành phừn 2

I have been studying French __________ three years.

• FOR

• SINCE

We have lived in this city __________ 2010.

• FOR

• SINCE

She has been working at the company __________ a long time.

• FOR

• SINCE

They have been friends __________ they were kids.

• FOR

• SINCE

He has been practicing the guitar every day __________ a month.

• FOR

• SINCE

The company has been in business __________ over a century.

• FOR

• SINCE

She has been waiting at the bus stop __________ twenty minutes.

• SINCE

• FOR

• VALLEY

• RIVER

• DUNE

• SAND

• DESERT

• CAVE

• VALLEY

• WATERFALL

• KAYAKING

• CLIMBING

• DIVING

• CYCLING