This kind of desk can be ______ to the height you need.

Can you tell me how to learn English well? — Do more speaking, I think, ______ you will not be good at spoken English[ ]

Do you think it wise for Chinese mothers to try to do everything for their children?— No, that’s ______ they are mistaken.

_____you have to do the job, you should try your best to do it well even though it may be very difficult for you

Have you been wasting time on computer games again—_____. I’ve been studying a lot and I need a break.