Completa las oraciones usando la forma correcta del pasado continuo del verbo en paréntesis .
a. My brother ____________________ (play) the guitar.
b. We ___________________________(recycle) last weekend.
c. The English teacher ______ ___________(teach) last Friday.
d. They _________ ________________ ( neg /use) chemical product.
e. _________ you _________________(produce) organic products?
f. I _____________________________ (visit) my mum
