I think it was a because I ever studied that but I am not sure about the answer
Answer:
'Had Bought'
Explanation:
The infinitive 'to buy' turns into 'had bought' in past perfect. The PAST TENSE is simply 'bought', but the PAST PERFECT tense is 'had bought'.
Wait i have to draw it? and (sorry i’m new)
I can help, -and ill comment below- if its like a multiple choice or there are options, since it says 'which of the following'
personally no no body really is willing to learn the difference between an academically good student and a bad one is there interest to learn