题干
—Is my clock on the table?
—No, _________. It's under the chair.
A：isn't
B：it isn't
C：it is not
D：it is
答案(点此获取答案解析）
B
—Is my clock on the table?
—No, _________. It's under the chair.
A：isn't
B：it isn't
C：it is not
D：it is
