3a. Look at these sentences (a-c) and ansv 1. Underline the main action verb in each of the sentences. 2. Do the sentences say who or what does the action (the agent)?

1. a. Pure gold is not used in teeth. b. It is mixed with other metals. c. Gold wires are used in electronic equipment.

2. a. The action is done to the gold. b. The action is done to "it" (metals). c. The action is done to the gold wires.

Ответ: 1. a. Pure gold is not used in teeth. b. It is mixed with other metals. c. Gold wires are used in electronic equipment. 2. a. The action is done to the gold. b. The action is done to "it" (metals). c. The action is done to the gold wires.