When you are at home by yourself, you should take good care of yourself. = When you are at home on your own, you should look after yourself well. 看电视了,有问题再去提问ok ? 会有更多的热心知友为你解答的哟 !
最后再帮你了哟 7. You mustn't play football in the street. 8. Shall we go swimming tomorrow ? 9. Is the boy in white a classmate of yours ? 10. He often run around the park after dinner/ supper.