______________ you follow the instructions carefully, the recipe won't turn out right.

• Complete Sentence: Unless you follow the instructions carefully, the recipe won't turn out right.
- বাক্যের context অনুযায়ী শূন্যস্থানে 'Unless' বসবে।

• Unless (conjunction + preposition)
English Meaning: except on the condition that: under any other circumstance than + except possibly.
Bangla Meaning: যদি না।

Example Sentence:
1. Unless you study regularly, you won't perform well in the exam.
2. Unless it rains, we'll have our picnic in the park tomorrow.
3. Unless you pay attention to your health, you may face serious consequences later.

Source:
1. merriam-webster.
2. Accessible Dictionary by Bangla Academy.