use the right tense and voice of the verbs in brackets

of london (to destroy)..................by great ...

a lot of houses (to build)................in chisinau every year

i never (to eat).............. such delicios fruit

before I (to leave)....................the house, i(to call)....................Bob

while mother(to cook), father (to vacuum).............the flat

this summer our students (to visit)..................many european countries

she (to paint).............. the room for two hours