|
Setze das Present Perfect Progressive
ein und „since“
oder „for“.
|
| 1 The tourists
(to listen) to the guide
this morning. |
| 2 How long
the taxi
(to wait)?
one o'clock. |
| 3 The manager
(to solve) problems
lunch. |
| 4 How long
the Browns
(to live) in London?
15 years |
| 5 The customs officer
(to check) passports
the plane landed. |