No matter ________hard it may be, I'll try my best to settle it down.
A：what
B：whatever
C：how
D：however
I'm ____ (write) goodbye letters to all my friends.
读拼音，写词语。
xīng qī
sāng yè
jiě shì
____
关于东南亚的叙述，不正确的是 ( )
