II. Supply the correct form of the word in parentheses to complete each sentence. (1m)
1. Thousand of people were left homeless after the _____________ eruption. (volcano)
2. Do you know that the telephone, the television and penicillin are Scottish __ (invent)
3. You mustn’t drink the water in rivers because it is ______________ (clean)
4. Industrial waste spills can ______________ groundwater. (contamination)
volcanic
invention
unclean
contaminate
on giờ này luôn :V