He walked _________ the bridge, pushed his way ________ the crowd of people and soon came to a hut.
After he left college , he was employed in an international company and _____there ever since .
Unsatisfied ______with the payment ,he took the job just to get some work experience.
Bob would have helped us yesterday, but he_______
Green products are becoming more and more popular because they are environmentally_______.
Heavy rainstorm broke out in South China,68 lives and 62 still missing.