She always gets __________ in her stomach whenever she has to take an exam.
butterflies
To meet the deadline, we need to ___________ our work on the presentation.
speed up
Students can __________ from the modern technology to search for information and improve their academic performances.
benefit
Your legs are shaking and you're sweating. Are you ____________?
nervous
The challenging puzzle ________ he think deeply to solve it.
makes
