题目内容
Sit down, Emma.You will only make yourself more tired,________on your feet.
A.to keepB.keeping
C.having keptD.to have kept
练习册系列答案
相关题目
题目内容
Sit down, Emma.You will only make yourself more tired,________on your feet.
A.to keepB.keeping
C.having keptD.to have kept