Ⅰ.单句语法填空
1.It's believed that taking a walk after supper is beneficial(benefit) to us.
2.Plastic bags take years to break down, so don't just throw them out.
3.Only a political solution could put an end to the violence(violent).
4.If everyone in the country knew(know) first aid,many lives would be saved.
5.What struck me most in the movie was the father's deep love for his son.
6.She told me an incredible(credible) story about his grandmother catching a thief.
7.Misunderstandings arising(arise) from lack of social communication may lead to serious problems.
8.The terrible storm will probably knock out the electric service of the town.
9.Nobody wants to make friends with the boy suspected(suspect) of having stolen money.
10.Warned of danger in the street at night, she had to go home with a friend accompanying(accompany) her.