I have a stomachache. I think I ................ (eat) too much last night.
ate
It ...................... (take) me some time until I finally ....................... (understand) that maths problem.
took / understood
She ................. (buy) a new dress last month.
bought
The customers .................... (pay) the bill before leaving the restaurant.
paid
My cousin .................. (buy) a new book last week. He .................. (say) I can borrow it when he finishes reading it.
bought / said
I ................. (go) shopping with my mum two days ago.
went