A)
B)
Elizabeth buys all the ingredients and then prepared the meal for her
grandmother's 90th birthday party.
Elizabeth bought all the ingredients and then prepares the meal for her
grandmother's 90th birthday party.
Elizabeth bought all the ingredients and then prepared the meal for her
grandmother's 90th birthday party,
Elizabeth was buying all the ingredients and then prepared the meal for
her grandmother's 90th birthday party,
D
