Join the sentences with and, but, so, because, although. 1. I told a joke . Nobody laughed. ………………………………………………………………… 2. Last night’s storm damaged the power lines. The town was without electricity for several hours. …………………………………………………………………………………………………… 3. The city suffers from air pollution . The city suffers from water pollution. …………………………………………………………………………………………………… 4. Coal is a valuable natural resource. Oil is a valuable natural resource. …………………………………………………………………………………………………… 5. We must do whatever we can in order to conserve oil. Oil is a valuable natural resource. …………………………………………………………………………………………………… 6. They didn’t pass their TOEFL exam. They studied hard. ………………………………………..

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