ДАЮ 50 БАЛЛОВ ПОМОГИТЕ,ПОЖАЛУЙСТА. Задание 4 Окончите описание ситуации, заполнив

ДАЮ 50 БАЛЛОВ ПОМОГИТЕ,ПОЖАЛУЙСТА.
Задание 4
Окончите описание ситуации, заполнив пропуски подходящими по смыслу лексико-грамматическими вариантами. Укажите номера избранных вариантов в талоне ответов под подходящей буковкой (а) е).
1) at the same time 2) during 3) meanwhile 4) while 5) for 6) throughout 7) all along
a) __history terrible things have happened.
b) __he was climbing the mountain, we were waiting patiently in the camp.
c) Cook the sauce slowly;_ __start boiling the water for pasta.
d) The accident occurred because he was trying to do two things __.
e) They should have known__ that she was lying .