日语
韩语
法语
德语
西班牙语
意大利语
阿拉伯语
葡萄牙语
越南语
俄语
芬兰语
泰语
二．单项选择（20）
( ) 21. Mario used to _____________ in the morning.
A. practice swimming B. practicing swimming
C. practice swim D practices swimming
( )22.----How do you study______a test ?
----I study _____working _____a group.
A for, in, with B for, by, at
C for, by, with D of, in, by
( ) 21. Mario used to _____________ in the morning.
A. practice swimming B. practicing swimming
C. practice swim D practices swimming
( )22.----How do you study______a test ?
----I study _____working _____a group.
A for, in, with B for, by, at
C for, by, with D of, in, by
