The present perfect

  I ______________ (be) lonely lately.

Joe ____________ (travel) a lot this year.

  People in our company ____________ (work)  a lot these days.

Mr. and Mrs. Jones ________________ (not write) any letters since a week.

__________ Sam and George ___________ (visit)  this museum?

Anna ______________ (put) on weight recently.

  We ______________ (dance) a lot for hours.

She ________________ ( not answer) all the questions quickly.

  Lena and Tim _______already______ (go) to cinema.

   The kids _____________ (watch) the cartoons on TV for an hour.