问题补充:
单选题Whathehaslearnedthroughpracticebefore_____himalotinhisfuturework.A.helpingB.helpedC.it helpsD.will help
答案:
D解析before这里是副词,不是介词,也不是连词,所填词实际是谓语动词.
时间:2021-12-11 11:00:43
单选题Whathehaslearnedthroughpracticebefore_____himalotinhisfuturework.A.helpingB.helpedC.it helpsD.will help
D解析before这里是副词,不是介词,也不是连词,所填词实际是谓语动词.