单选题
Many people find it difficult to ______ stress in their daily lives, but there are effective ways to manage it.

单选题
When my phone battery ______ during the trip, I couldn't use the navigation app.

单选题
It was on the occasion ______ John received the offer from his dream university ______ he felt his long-term efforts finally paid off.

单选题
A new study suggests that the Amazon rainforest ______ its ability to recover from extreme weather conditions over the last two decades.

单选题
Look, what is he doing there?
As far as I know, he is reading a note ______ the present from his aunt with passion.

单选题
Practice is very important. You will forget the new words ______ you often use them.

单选题
— How does Jack usually go to work?
— He ______ drive a car, but now he ______ there to lose weight.

单选题
______ the efforts of the conservationists, many endangered species would have become extinct by now.