题目内容
The company has a free long-distance telephone number ________ customers may call with any questions they have about its product .
[ ]
A.so that
B.although
C.as
D.even if
答案:A
练习册系列答案
相关题目
题目内容
The company has a free long-distance telephone number ________ customers may call with any questions they have about its product .
[ ]