同一制动梁两闸瓦厚度差高磷闸瓦不大于()。
A.5mm
B.10mm
C.15mm
D.20mm
参考答案:A
Jane is a smart girl in the class who is prettier than _______.
A.any other girls
B.any other girl
C.any girls
D.any others
— Where did you go after we left the library yesterday?
— I went downtown and _____ my aunt's on my way home. [ ]
A. played with
B. called at
C. waited for
D. looked after