She always try to finish her homework before going to bed.

 My mother always get up early to prepare breakfast for everyone in the family.

 The policeman warned the tourists not walking alone in empty streets at night.

Many people object to use physical punishment in dealing with discipline problems at school.

My brother usually /ask me for help /when he /has difficulty with his /homework.

Animals like frogs #have waterproof skin #that prevents #it from drying out quickly in air, sun, or #wind.

• A. snorkelling
• B. sensitive
• C. diversity
• D. reserve

All types of dinosaurs went extinct long time ago.

• A. thrived
• B. boomed
• C. survived
• D. died out

More complex animals gradually evolved from these very simple creatures.

• A. resolved
• B. involved
• C. revolted
• D. developed

Many birds didn't survive the severe winter.

• A. have enough food
• B. surprise
• C. get over
• D. continue to live