---But for your hand with my heavy luggage,I wouldn’t have been here in time. --- .
It was not until dark _______ he found _______ he thought was the correct way to solve the problem.
They lost their way in the forest, and _______ made matters worse was that night began to fall.
They are teachers and don’t realize _______ to start and run a company.
The thought _______ he would open a Sichuan restaurant in Los Angeles surprised his wife.
Air, or _______ is called the atmosphere, surrounds the whole world.