问题

s been over his strange letter for several weeks, but she still figures out nothing about it.

A:puzzling
B:worried
C:troubled
D:anxious;

正确答案是：

同类题型

There is a bridge ___________ the river. Many boats go ___________ it every day.

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he limited supply of water has beenput into practice, take care to turn off the running ____ before you leave.

This story made me______ I have cried many times

You had better______ some money for specialuse.