I _____ to school on foot, but now I _____ so by bike.
A. ussed to go;used to doing
B. used; am used to do
C. used to going; am used to do
D. used to go;am used to doing
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I grew ______ in England
A. with
B. by
C. for
D. up
斜拉桥的索面的侧立面布置形式应用最广泛的形式是( )。
A. 辐射式
B. 平行式(竖琴式)
C. 扇形
D. 星式
You should______ smoking.
A. get up
B. give up
C. grow up
D. cut down
()是根据拉索索力和振动频率之间的关系求得索力。
A. 测力传感器
B. 频率振动法
C. 千斤顶油压表
D. 以上都不是