Rearrange the words to make completed sentences

A. Rearrange the words to make completed sentences:
1. buy/Be/when/ careful/you/ souvenirs/your/travel./ during
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2. the/ We/before/to/out/the/ fire/leaving/ put/ campsite./ have
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3. is/a/ today./ T-shirt/ Alex/ wearing
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4. trainers/I/ wearing/ like/for/ activities./ outdoor
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5. have/keep/to/the/ clean./ beach/ We
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5. colourful/ decorate/these/ flowers./ our/ Let's/ house/ with