The war made _______ impossible for the scientist to go on with his research.
_____in a science competition, the three students were awarded scholarships totaling $ 21, 000.
The sun is shining brightly, ________everything around us________more beautiful.
----Look! ________a high probability that their team will win. ----Yes, the members are cooperating so well.
From the look on Mary’s face, it was________that the news came as a complete shock.
—Some Chinese students find it difficult to understand native speakers when in London. —Exactly, ________they’ve learned a lot about grammar and known many words.