Prefixes and Suffixes
Collocations
Expressions
Modal verbs
Idioms
100

After the delay, the engineering firm _______(affirm) its commitment to complete the renovation

reaffirm

100

Jason always keeps________, so if he said he'd be here by ten, then he'll be here.

his word

100

The beginning of something new, especially something positive

the dawn of

100

It is strictly forbidden to go any further into the cave.

- You ______ any further into the cave.

mustn't go / can't go

100

There have been twenty-four cases of illegal hunting in the area this year, though that figure is just _______ as most cases go unreported.

the tip of the iceberg

200

In factories were workers are required to perform only  a single set of actions, the work is repetitive and ______ (tone).

monotonous

200

Keeping the audience's ________ for two hours without boring them is challenging.

attention

200

The day or period just before an event

on the eve of

200

I regret not joining the hiking team. 

- I ________ the hiking team.

 should have joined

200

The one page he managed to write yesterday is _____ compared to the 20,000 words  he is expected to have produced by the end of the month.

a drop in the ocean

300

A complementing or contrasting item.

______point

counterpoint

300

It's really hard to keep your _______ with such loud and annoying neighbours.

temper

300

A keen sense of adventure is a _______ anyone who wants to become an astronaut.

prerequisite for

300

If you want to finish in time, you ______ spend the whole afternoon watching TV.

had better not / mustn't

300

What does "like looking for a needle in a haystack" mean?

something which is impossible or extremely difficult to find

400

Something that follows as a result or consequence.

______come

outcome

400

You should always keep _____ of your children at the playground.

sight

400

The captain's attempts to steer the ship towards safety were______; soon water was filling the compartments and the ship started to sink.

in vain

400

Because the thunder was so loud, I ______ sleep for most of the night.

couldn't

400

"The police left no stone unturned" means ...

To do everything you can to solve a problem or to find something

500

The group gathered outside the bus station at the ______(arrange) time.

prearranged

500

I've been struggling lately to keep ______ between my personal and my work life.

a balance

500

Further details about the New Inventors Convention will be given ______.

on request

500

It's lucky we had the first-aid kit with us during th hike, otherwise  Aidan_________ ended up getting an infection when he injured his knee.

could have

500

We booked a trip to Mauritius for our honeymoon, but then I saw a brochure for Scotland and I wished we had booked that instead.

Oh well, the grass...

is always greener on the other side