Choose the correct answer

The doctor gave us the first homework last week
1- The part speech of (us) is ----- pronoun
A- a possessiv B-an obiect C- a subject D- a reflexive
2- The part speech of (gave) is----
A- a present B- an auxiliary C- a future verb D- a past verb
3-The part speech of (last) is----
A- an adjective B-a verb to be C-an article D- a preposition
3- The part speech of (doctor) is----
A- a verb B-a subject noun C- an object noun D- an adjective

my ANSWER
US= an object
gave = a past verb
last = an adjective
doctor = subject noun

Sultan, you are right except “last”, but please keep maintaining capital/small letters rule as it will be established one day in the wrong ways.