我国海关于( )年开始采用H.S编码制度。
A.1990
B.1992
C.1988
D.1991
参考答案:B
Only when he apologizes for his rudeness________ to him again.
A.I will speak
B.will I speak
C.do I speak
D.I speak
下列句中加点词的用法,与例句中加点词的用法相同的一项是