— Why didn’t you try your best to get on the subway? — I tried to, but it started moving ______ I could get on it.
We are ______the people in need are helped in time.
The company was set up _______. My father has been working in it for nearly thirty years.
We should pay more attention ______teenage problems.
______he was exercising at the park yesterday morning, he found a purse under the tree.
There is ______ university in the east of the city and ______ university is big and modern.