1) I could answer the question because I had answered it before
2) She was hungry because she hadn't eaten at home
3) My mother was worried because she hadn't found her passport
4) They were late because they had forgotten it
5) The boy was pleased because he had got good mark
6) He arrived at John's house because John had invited him
1.on
2.in
3.on
4.in
5.on
6.at
7.in
8.in the
9.on
10.on
Может быть, crockofant или eledile
правильный вариант употребления глагола to be в предложении:
Nick and Pete ___<span><span>4) are
</span>___Russian businessmen </span>
On Members of staff at ProCare Health were angry at Mr. Malker for constantly
Angry AT smth- разгневанный (рассерженный) КЕМ-либо , в данном предложении сотрудники ProCare Health постоянно сердятся на Мистера Малкера.
Angry WITH smth - разгневанный (рассерженный) ЧЕМ-либо.