Question

【题目】Thanks for ____ us so much. We can't finish our work on time without you.
A.helps
B.helping
C.helped
D.help

Answer 1

【答案】B
【解析】句意：谢谢你帮助我们这么多。没有你我们不能按时完成作业。for是介词，介词后的动词用-ing形式。故选B。