Present perfect simple VS Present perfect continuous

He ____________ (study) for three hours.

• 
  

• has studied
• studied
• is studying
• has been studying

They ____________ (wait) for the bus for twenty minutes.

• 
  

• have been waiting
• waits
• waiting
• have waited

She ____________ (write) three emails this morning.

• 
  

• has been writing

• writed
• writen
• has written

We ____________ (work) on this project since last month.

• 
  

• have been working
• working since
• worked
• have worked

Sarah ____________ (learn) Spanish for a year.

• 
  

• has learned
• is learning
• has been learning
• learned

The kids ____________ (play) in the garden all afternoon.

• 
  

• have been playing

• have playing

• have played

• plays

I ____________ (read) this book for two hours.

• 
  

• have been reading
• readed
• reading
• have read

They ____________ (travel) around Europe since January.

• 
  

• travel
• traveled
• have traveled
• have been traveling

He ____________ (paint) the house for two days.

• 
  

• paints
• painted
• has been painting
• has painted

The students ____________ (study) English since they were in elementary school.

• 
  

• have studied
• studied
• will study
• have been studying