An investigation group ___________ five men and two women has been sent to the spot to look into the matter.
Xiao Hong worked harder last year. _______ , she still didn’t get high grades.
Sometimes ________ English is quite different from _______ English in many ways.
_______ is very important for us students to learn English well.
You’d better________ your scores and see if you have passed the exam.
How did all these _________?