John caught a cold on Saturday and in bed ever since. A. was B. has been C. is D. have been 时态和语态专练答案 1-5 BBBCC 6-10 BABAB 11-15 DDABD 16-20 CCABD 21-25 CDAAB 26-30 CBDAD 31-35 CDACA 36-40ABADC 41-45 DDCCD 46-50 BBDCB 51-55 CADCB 56-60 ADDAA 61-65 ABACB 66-69 CDADB 【查看更多】
