问题描述：
英语单选 选择
I’d like to join the school volunteer project,but I’m not sure ______.[ ]A.what should i do
B.how should I do
C.how to do
D.what to do
不是只要答案 比如宾语从句陈述语序什么的还要详细一点
I’d like to join the school volunteer project,but I’m not sure ______.[ ]A.what should i do
B.how should I do
C.how to do
D.what to do
不是只要答案 比如宾语从句陈述语序什么的还要详细一点
问题解答：
我来补答展开全文阅读