An increasing number of students,year by year,across China _______ hard to realize their dream of studying abroad.
---Did you enjoy yourself in Hefei this summer?---________ It was too hot.
Every year _____ money are spent on environment protection.
It was her careless driving that _____the terrible accident.
Bill thought rain was out of question, so he didn’t bring umbrella.
Never in the past twenty years so greatly as today.