问题补充：
---Thank you for us so much help.
---You are welcome.
A. give
B. to give
C. giving
D. to give
答案：
A. give
B. to give
(答案→)C. giving
D. to give
解析：thank sb for sth，为某事感谢某人，介词for表示感谢的原因，后面一般接名词或者动名词。根据分析可知选C。
如果觉得《---Thank you for us so much help.---You are welcome.A. giveB. to giveC. givingD. to give》对你有帮助，请点赞、收藏，并留下你的观点哦！
