Verbals – Pre-Intermediate 1.
Complete the text with the correct forms of the verbs (-ing form, Infinitive or Past Participle)
(0) ..Canning.. (can) is a method of (1) (preserve) food over extended periods of time. The process involves (2) (seal) food in containers and (3) (heat) it in order (4) (kill) bacteria that could eventually cause spoilage. While most canned food is (5) (produce) by commercial companies, some is (6) (do) at home.