The weather turned out to be fine yesterday. I ____ the trouble to take my umbrella with me. [ ]

Later in this chapter cases will be introduced to readers _____ consumer complaints have led to changes in the law.

The number of private cars in Xi’an is increasing day by day, so I think more new roads need ______.[ ]

__ the teacher’s instruction, or hecould not have won the first prize in the English Speech Contest

Have you put your hands ________a job? —–No, I have applied ________several companies, but none has given me an answer