Question

1.This church______ by a famous architect David Brown in the 19th century.

a. Designed. b. Were designed
c. Was designing. d. Was designed
2.My house_____ several times this year.
a. Is repaired. b .Has repaired
c. Repairs. d. Has been repaired
3.Christopher Columbus_____ America in 1492.
a. Discovered. b. Was discovered
c. Had discovered. d. Was discovering
4. He is said_____ in America when he was young.
a. To have worked. b. Working
c. To work. d. Having worked

Answer 1

1d) was designed (long time ago so past tense)

2d) Has been repaired (It is still going on the present, this year)

3c) Had discovered (He discovered America long time ago)

4a) To have worked (worked long ago when he was young)

Hope it helps!