The graduate insisted that he _______ to the West to teach the children there and that what he chose ______ right even though his parents didn’t want him to go.
It’s _______ that you’ve got a headache; you drank too much last night.
---I can’t work it out in this way. ---Why not ________ it another way?
The _______ performance ________ everyone present.
The course will give a general introduction, _________, it also provides practical experience.
_______ many times, but he still couldn’t understand it.