He is so happy his father has promised to buy him an MP5 player.A. that 　B. whileC. which

发布时间：2020-08-16 10:00:30

He is so happy      his father has promised to buy him an MP5 player.
A. that 　
B. while
C. which 　
D. because

网友回答

A. that 　
B. while
C. which 　
(答案→)D. because
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