past continuous interrogative negative 10 - tutto inglese - Imparare l'inglese gratis on line

the librarian (shelve) books when she noticed the missing manuscript?
the students (practice) their presentation when the projector failed?
he (check) emails when his phone died?
they (set) the table when guests started arriving?
she (jog) in the park when it began to thunder?
the chefs (chop) vegetables when the kitchen alarm went off?
he (watch) the sunset when you called him?
the mechanics (inspect) the engine when they found the issue?
she (meditate) when you knocked on the door?
they (clear) the driveway when the snowstorm intensified?