_____in a science competition, the three students were awarded scholarships totaling $ 21, 000.
The teacher praised me for ________ progress I'd made, which was ________ great encouragement to me.
We all sighed with ________ relief when ________ plane finally landed safely.
This is our contribution to ________ world of the 21st century, ________ world of independence and mutual understanding.
Sarah looked atfinished painting withsatisfaction.
According to some students, ______ listening practice is still ______ must in Senior 3, because it helps promote the sense of language.