Which is it? Perfect or Continuous Tense?

    I ___________ a lot recently, so I’ve made an appointment to see the doctor.

• ‘ve coughed

• ‘ve been coughing

  This time next week, we ___________ on our Mediterranean cruise.

• ‘ll set off

• ‘ll be setting off

My mom’s off work at the moment because she _________ an operation.

• ‘s had

• ‘s been having

Which TV series _________ at the moment?

• do you watch

• are you watching

We were so late that the train __________ by the time we got to the station.

• had departed

• had been departing

The last time I saw her, she _________ goodbye through the train window. (wave)

If all goes well, we’ll _________ our mortgage by March 2035. (pay off)

We’re having a dinner party tonight, so I _________ all day. (cook)

The boys ________ in the living room this week while their bedroom’s being painted. (sleep)

They ________ round in circles for hours before they realized they were lost. (walk)