🔺(v) #pollut
📖 to make an area or substance, usually air, water, or soil, dirty or harmful to people, animals, and plants, especially by adding harmful chemicals


📗 #Longman
_________________
🔉The careless factory (_____) the river with chemicals.

🔺(v) #conclude
📖1. to finish to end; 2. to develop a judgment after studying or considering something

📗 #Longman
_____________
🔉 I saw crumbs on my dog’s face, so I (______) that he ate my cookie.

🔺(v) #ensure
📖 to make (something) certain, to guarantee

📗 #Longman
_________________
🔉Eating good food (_____) that we stay healthy.

....................... 🔊 desperation

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............................. 🔊 Lifelong

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.......................... 🔊 abnormal


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.................... 🔊 No way!

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.................. 🔊 congratulations!

📗 #Longman

🔺(v) #commence
📖 to begin

📗 #Longman
_____________
🔉His speech (___________) with a “thank you” to all who had helped him succeed.

.......…......... 🔊 simulate

📗 #Longman