If we work hard with a strong will, we _____ overcome any difficulty, however great it is.
Knowing how long the test would last, the students who finished ____ and waited until the end of the exam.
. --- He has to finish the experiment today. He must be in the lab,________? ---That s quite possible.
“Long time no see”is _______sort of imformal, but it is part of ______language Americans use daily.
In this factory, suggestions often have to wait for months before they are fully _____.
----__________?----It depends on what it is.