Having never met with such a _____ problem, he felt _____ and didn’t know how to solve it.
The gasoline . Let’s fill the car up at the next gas station.
—Will you go there with your parents? —____, I will stay at home and prepare for my language tests.
____ we want to know is whether we must finish the work ____ you assigned last week.
– Why you didn’t handed in your exercise paper? –Sorry, but I ____ that it should be turned in today.
—How is the debate of your essay? —It ____ well, but I ____one of the key points.