He seems ____ something valuable. He looks so worried. A．has lost B．to lose C．to be losing D．to have...
2023-01-04 13:21:15 73次 贵州省2009-2010学年度高一下学期单元测试试卷（一）（英语） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He seems ____ something valuable. He looks
so worried.
|
A．has lost
|
B．to lose
|
C．to be losing
|
D．to have lost
|
本题链接：
