a weakness, mistake, or problem in something or someone
flaw
When the teacher [ask] the question, nobody [know] the answer.
asked / knew
What is the currency of Japan?
The yen

impossible to see
invisible
While we [wait] for the bus, it suddenly [start] to rain.
were waiting / started
What is the capital of Iceland?
Reykjavik

to give something good to someone because they did something well
to reward
When I [enter] the classroom, everyone [work] quietly.
entered / was working
Which city is shown on the 1000-ruble banknote?
Yaroslavl

happy and satisfied with what you have
content (adjective)
He [understand] the film because he [read] the book before.
understood / had read
Who is Spider-Man’s main enemy in the film «Far From Home»?
Mysterio

a wrong idea or belief about something
misconception
I [feel] very tired because I [sleep] badly the night before.
felt / had slept
Which number is hidden in the Baskin-Robbins logo?
It is formed by the pink sections within the letters "B" and "R". The number represents the brand's famous concept of offering 31 distinct ice cream flavors—one for every day of the month