国家开放大学 / 综合英语（2）
正确率：100%
The reason why Richard didn’t take the TV set is that _ _ _ _ .
a.it is too big to carry
b.it is too heavy to carry
c.it is worth nothing
d.it is difficult for him to carry such a thing without being noticed
a.it is too big to carry
b.it is too heavy to carry
c.it is worth nothing
d.it is difficult for him to carry such a thing without being noticed
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