问题

.By using ear sonecan tell the direction____a sound comes.

A:in which
B:from which
C:with which
D:through which

正确答案是：

同类题型

It has been announced that studentsremain in their seats until all the papers have been collected.

They were making a plan to help those students _____, which attracted me

25There is an obvious __________ between the cultures of the West andEast

Tomorrow will be the Youth Day . Will you the picnic in the boat on the west lake ?

Laughter, along with an active sense of humor, ______ protect you against a heart attack, according to a recent study