服务项目采取邀请招标采购的,自招标文件开始发出之日起至投标人提交投标文件截止之日止,不得少于( )。
A.15日B.20日C.30日D.两个月
参考答案:B
My parents have always made me ______ about myself, even when I was twelve.[ ]
A. feeling well
B. feeling good
C. feel well
D. feel good
操作工的三件宝()、()、()。