LEFT- OPTICAL FIBER

4. Left

- Optical fiber: sợi quang

T: Play the tape and ask Ss to fill in

the gaps with the words they catch.

5 Rollers

- Laser: la de

- Listen and fill in the gaps.

Grammar Awareness

- Compare their answers with their

Read the dialogue again and pick out of

partners.Give their answers.

the passive sentences:

Ss: Read the dialogue on page 148

* Post-listening: (3’)

T: Give feedback and correct

again and pick out all of the passive