WHEN FOOD AND GERMS STICK IN A SMALL CRACK, OUR TEETH ...A. BECOME...

Question

2. When food and germs stick in a small crack, our teeth ...A. become hard B. begin to decay.C. send poison into the blood. D. makes us feel quite ill.

Accepted Answer

PART A: LISTENING (1.5 Ps) I. Decides whether the statements are True or False (0.5 p) 1. F 2. T 3. T 4. T 5. F II. Fill in each blank with only ONE word (0.5 p) 1. unusual 2. listeners III. Choose t....

WHEN FOOD AND GERMS STICK IN A SMALL CRACK, OUR TEETH ...A. BECOME...

2. When food and germs stick in a small crack, our teeth ...

A. become hard B. begin to decay.

C. send poison into the blood. D. makes us feel quite ill.

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