I looked under __________ bed and found __________ book I lost last week.
As is known to all language learners, newly learnt words will soon be forgotten unless ______.
There is a common belief among the students in our school ______ they should try their best to learn and reach the peak of their academic performances.
He turned from side to side, eyeing himself in the mirror with a serious, studied ______ that soon changed into a smile.
— How is that, Blair?— I wonder ______ it takes to be a good teacher beyond patience and a great knowledge of students.
Meeting my dear teachers and fellow students after so many years was indeed a warm occasion, ______ I’d strike into my heart forever.