The old man was in great pain after the accident, and he kept ______ constantly, which made everyone around him feel worried.

For a small business owner, dealing with excessive regulations and paperwork can be a ___________ task, taking up a lot of time and energy that could be better spent on growing the business.

In many countries, attending primary school is ___________ for children, as it lays the foundation for their future education and development.

The company implemented cost - cutting measures, and these efforts were expected to ___________ the negative impact of the recent economic downturn on its profits.

This fruit stall offers a wide variety of exotic fruits, and the ___________ ones like mangoes and pineapples are especially popular among customers.

After receiving the unexpected job offer, she sat quietly in her room, ___________ whether to accept it or look for other opportunities, her mind a whirl of conflicting thoughts.

The small town was ___________ with tourists during the summer vacation, making it hard to find a quiet place to relax.

The universe is believed to be ___________, with no clear boundaries or end in sight, which has fascinated astronomers for centuries.

The resources on Earth are ___________, and we must use them wisely to ensure sustainability for future generations.

After taking a long - haul flight from New York to Tokyo, which crosses multiple time zones, she suffered from severe ___________, feeling extremely tired and having trouble sleeping at the local bedtime.

The authoritarian regime often ______ political dissidents without fair trial, suppressing any form of opposition and denying basic human rights.

At the international conference, delegates from various countries had the opportunity to ______ freely during coffee breaks, fostering new collaborations and cultural exchange.

The foundation aims to ______ young artists with financial resources and mentorship, enabling them to pursue their creative dreams without economic constraints.

In the grand scheme of things, his complaints about the office temperature seemed ______ and were quickly dismissed by the management as not worth addressing.

The upcoming debate will focus on the critical issue of economic growth ______ environmental protection, a central dilemma in modern policy-making.

The ______ of the poem allows several interpretations.

Yunnan is famous for it cultural ______ and there are 25 ethnic minorities living in this province.

Food is the one thing that impacts every _______ of your life.

The Qing Dynasty's _______ world was forced open by the Western powers' gunboat diplomacy in the 1800s.

A major _______ of electric cars is that their batteries(电池) usually don't last long.