It’s /nes?s?r?/ for us to help parents do chores on weekends.A. surprisinglyB. necessary

问题补充：

It’s / es?s?r?/ for us to help parents do chores on weekends.

A. surprisingly

B. necessary

C. successfully

D. suppose

答案：

A. surprisingly

(答案→)B. necessary

C. successfully

D. suppose

解析：句意：对于我们在周末帮助家长做家务是必要的。根据句意及读音，故选B，必要的。