Applicants _____ first language is not English are required to achieve a satisfactory standard in University-approved Test in English.
It was hard for him to fit in a new class, in which ______ he was familiar with.
We all think that the plan you come up with ____________ the work is very practical.
They can find whatever they need in the supermarket, ______ is always busy on Sundays.
Beyond the lake _____ quantities of birds coming from the North every winter.
Referring to reading, we must have the patience to read ______ book so that we will have _______ deep understanding of it.