单项选择题
This box is too heavy for me to carry it upstairs.（）
A.You may ask for help. B.I'll give you a hand. C.Please do me a favor. D.I'd come to help.
单项选择题 They were the only men who received votes（）me
单项选择题 They were all very tired, but（）of them would stop to take a rest.
单项选择题 They have done（）work these days.
