31.Eric: The dog is very old. It is weak, too. Lucy: __________(A)Don’t litter.(B)Let’s be nice to i
問題詳情
31.Eric: The dog is very old. It is weak, too. Lucy: __________ (A)Don’t litter. (B)Let’s be nice to it. (C)It’s black and white. (D)The dog is between the cat and the pig.