3. Fill in the blanks using the correct tenses:
a) My father (not/go).
..to work if he (be).
.........rich.
b) Unless you(wait).
.....for the bus, you (arrive)........
........in time.
c) it (not/rain)
..if it (be).........
........cold outside.
d) If we (read)
.....the letter, we (find out)..
.the truth.
e) They (learn...........
day.
..if they (not/miss)
..school that​