you must be _____(kid).There is no person in the house

题目

you must be _____(kid).There is no person in the house
用适当的形式填空

答案

you must be (kidding).There is no person in the house.
kid无论是做及物动词还是不及物动词都有开玩笑,取消的意思.
及物动词 vt：
They kidded him about his paunch.
他们取笑他肚子大.
不及物动词 vi:
I was only kidding.
我不过是在开玩笑