He began cycling to build up his cardiovascular(心血管的) _______.

Staying up late every day is putting your health __ ____.

Before presenting our proposal to the teacher, I want to discuss with you first and make sure that we are ___________.

As we set off into the forest, we felt as though we were _______ into the unknown.

If she "finished the test within seconds", she finished the test.....

I thought I'd like to take ________ of the sports facilities while I'm here.

The airline is taking steps to _____ safety on its aircraft.

The weather there can be ________ - one minute it's blue skies and the next minute it's pouring rain.

Since the problem has not been solved so far, we need to adopt a different _______ to it.

This meeting will be the first ________ between the leaders of the two countries.

I am feeling a little _______. Maybe I'm sick.

With her beauty and charm, she ________ film audiences everywhere.

Bernstein has already given two lectures in December. The ______ lecture will take place on 22 January.

To make a good impression on someone, what should you do?

You are not allowed to go on the trip without your parents' _______.

What is the difference between "advice" and "advise"?

She used to be too _____ with her weight. But now she has accepted herself as who she is.

His research involved the study of innate ______ in birds.

Some scientists believe that modern medicine can ____ with faith-healing.

With so many areas of woodland being cut down, a lot of wildlife is losing its natural ______.

It is an interesting book, full of fascinating _____ into human relationships.

What does "Flexible working hours are a win-win situation for employers and employees." mean?

My grandmother uses all kinds of cellphone applications, such as YouTube, Instagram and TikTok. Thus, she always gets ______ information.

I didn't have an umbrella. _______, I got home before it started to rain.