Question

Ex. 5. 
Раскройте скобки, ставя глаголы в соответствующую форму пассива и используя соответствующие предлоги.
1.   The result of the examination (not to know) … two months. (Future)
2.   America (discover) … the end of the fifteenth 
century. (Past Indefinite)
3.   A meeting (arrange) … the Common wealth Prime Minister. (Present Perfect)
4.   The bridge has had (close) … repairs. (Infinitive)
5.   You (meet) … the airport. (Future)
6.   He felt he (let down) badly … his best friend. (Past Pertect).

Answer 1

1.will be known in
2.was discovered at
3.has been arranged by
4.to be closed on
5.will meet in
6.had let down;with