we must be kind poor and old people.可选A.of B.to C.in D.for

we must be kind poor and old people.可选A.of B.to C.in D.for we must help ______ poor We must be kind to the old.为什么be kind to这个词组在句中不可以写成We must are kind to the old. must be a kind girl Finally,teenagers must not be selfish.We should be kind to others_______.空里填什么吗?Finally,teenagers must not be selfish.We should be kind to others_______.空里填什么（it hard instead especial be） 可以变型 We must ___(be) careful. We must be strict_____ourselves_____our work. 将下列英语句子转换成祈使句YOU MUST BE KIND TO HIMYOU MUST'T EAT LUNCH NOWSHOW WE PIAY TENN'T AFTER SCHOOL? We must be happy,however we We must be must be这句话意思 be poor we must do as much as we can help the poor studenrs.改错 用适当的介词填空.1.we must be careful ___ our diet.2.there is much suger ____ this kind of fruit we should be kind to animals .we should ___ ___animals We must be careful.怎么改祈使句 We must be careful_____(cross) the road. We must be quiet in the library. We must be l------- to the school