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My classmate___away for about two weeks.A.is B.has been C.ha
1年前
As we know, ______ is good exercise and it is necessary for
1年前
甲、乙两辆汽车同时分别从A,B两站相对开出,第一次相遇时离A站有90千米,然后各自按原速继续行驶,分别到达对方出发站后立
1年前
Most adults who are learning a second language would disagre
1年前
甲乙两车分别从A,B两地相向而行,两车在距A点12千米处相遇后,各自继续以原速前进,到达对方出发点
1年前