问题
选择题
No matter how hard he worked, ___ ____
A．he could not do any better
B．and he could not do any better
C．so he could not do any better
D．but he could not do any better
答案
答案：A
搜题请搜索小程序“爱下问搜题”
No matter how hard he worked, ___ ____
A．he could not do any better
B．and he could not do any better
C．so he could not do any better
D．but he could not do any better
答案：A