题目内容
Mr. Mike doesn’t understand ________ made his wife so upset this morning.
A．what was it B．why it was that C．how that was D．what it was that
Mike doesn’t have to be made ________. He always works hard.
A. study B. to study C. studied D. studying
Mr. Mike doesn’t understand ______ made his wife so upset this morning.
A. what was it that B. why it was that
C. what it that was D. what it was that
