问题
选择题
They are too tired _____.[ ]
A. not to stand up
B. to stand up
C. to they stand up
D. stands up
答案
答案：B
搜题请搜索小程序“爱下问搜题”
They are too tired _____.[ ]
A. not to stand up
B. to stand up
C. to they stand up
D. stands up
答案：B