THE PAST SIMPLE TENSE

We ( pick)______up litter at the local park yesterday

Children in our village (exchange).................used paper for notebooks yesterday

Our club (cook)______ soup for old patients

Students (water)_______ the trees in the school last week.

We ( provide)________ food for homeless children last Tet holiday

Our school (donate)_________ clothes to poor children last year

Last Saturday, Teenagers ( volunteer)_________ to clean streets

Green School ( grow)_______ vegetables for an orphanage last spring

Children ( collect)_______ plastic bottles for recycling a month ago

We (teach)___________ English to children in a primary school last summer.