______ scientists have learned a lot about the universe, there is much we still don't know.
Please go ________ the ship quickly. There is only ten minutes left.
The question came up at the meeting _________ we had enough money for our research.
-Where is the shooting center? -It is about 50 kilometres ________ the city of Beijing. A. in south of B. the south of D. southern of D. south of
Word has come ________ some American guests will come for a visit to our school next week.
-My teacher punished me this morning. -Why? You’ve done nothing wrong, _________ I can see.