She ... (be) to the bank to pay some bills. She'll be back in an hour.
has gone
The evening performance ... (start) at 8 pm.
starts
The company ... (hold) a five-day seminar on computers for all its employees.
is holding
Ralph ... (get) frustrated because the meal he ordered .. (not/be/served) yet.
is getting / hasn't been served
Where ... (you/be)? Your mother ... (call) you all day!
have you been / has been calling
She ... (teach) Physics for more than fifteen years.
has been teaching
Sheldon .............. (already / make) a speech before his friends (enter) the hall.
had already made / entered
............. (Amphibians/live) both on land and in water?
Do amphibians live
Listen! Somebody ... (whistle) this horrible song in the street again!.
is whistling
What (they/do) at 11:00 last night?
were they doing
Everyone .........(sleep) when the earthquake ............. (hit) the small town.
was sleeping/hit
My family ............ (buy) a piece of land in the South last year. They ............(build) a summer house there at the moment.
bought / are building
By the time Monica …………………...(get) to the library, Elena …………………………..(already/do) all the research.
got / had already done
The children ………..(play football) while their father …………..(drink) coffee with his friends.
were playing / was drinking
When I first ..........(meet) them, they ................ (both/study) engineering.
met / were both studying
I was tired yesterday because I ........... (not sleep) well the night before.
hadn't slept
