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Choose the best answer to complete the sentences.
1. You ★★★ apologise. It isn't necessary.
2. Visitors to the zoo ★★★ feed the animals.
It isn't safe for animals.
3. I ★★★ late. It's the most important
meeting of the year.
4. Students ★★★ come to the meeting. The
meeting is for teachers only.
5. If you ★★★ a glass on the floor, it ★★★.
6. If babies ★★★ hungry, they ★★★.
7.
Plants ★★★ if they ★★★
enough water.
8.
He always ★★★ his umbrella when it ★★★.
9.
My friend was crying. I couldn't ★★★ her.
10.
Leyli was ★★★ and proved that she could do it!
11.
Waste ★★★ factories pollutes rivers and oceans.
12.
We never throw plastic bottles. We ★★★ them.
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