34. I SHOULD HAVE STUDIED LAST NIGHT, BUT I WAS TOO TIRED.A. I COU...
29.
34. I should have studied last night, but I was too tired.
A. I couldn't study last night because I was very tired.
B. I studied last night because I was bored.
C. I studied last night because I had to.
D. I tried to study last night, but the homework was too hard.