1. We should protect e_______ animals.

5. I felt _______(embarrass) when everyone looked at me.

4. I’m considering _____ (study) in Beijing or Shanghai.

3. The students are ______ (confuse) about the ______ (confuse) problem.

2. Sunglasses are used for _____ (keep) out the sun.

1. Here are some things they have learned from ______(scientist ) studies.

5. No , it can’t be done easily.

4. The people , for example , must be educated and water must be found.

3. Yes , land can be improved , but a lot of things must be done first.

2. Yes , they do , They have many special problems.