Выберите соответствующее контексту грамматическое явление.
1. By the time I came all the work .......
a). was done b). has been done c). had been done
2. I have ........ important news to tell you.
a).a b).the c). --
3. Has the letter been dictated ........ the secretary?
a).-- b).to c).for
4. His plan sounded very ........, but we did not agree to it.
a).attractive b). attractively
a). Do I must to b). Do I must c). Must I to, d. Must I