Combine the sentences using adverbial clauses of condition or comparison. Use the conjunctions in brackets and make any necessary changes.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. You must release the sea turtle into the sea. Otherwise, it will die soon. (if)
=> .
2. Raising people's awareness is important to preserve wildlife. Imposing strict laws is also important. (as... as)
=> .
3. We must stop poaching. Otherwise, many endangered species will become extinct. (unless)
=> .
4. A monkey is very intelligent. You may not think it is. (more... than)
=> .