Поставити дієслова в дужках у Present Perfect Continuous.
1. They ….( to play) volleyball for an hour.
2. He …. (to go ) in for swimming for six years.
3. We …. ( to study) since 11 o`clock.
4. The boy …. ( to play) football since 10 a. m.
5. Athletes …. To compete) with their opponents for two days.
1) have been playing
2) has been going
3) have been studying
4)has been playing
5)have been completing
Объяснение: хотя в третьем я бы поставила PP - have studied