1.Take care of yourself when you are at home.(为什么take不加ing)
1个回答

1.这句话的主语其实是YOU.可以等于You shold take care of yourself when you are at home.(SHOULD后加动词原型)

2.B.we used to cut bread with the sharp knife.

3.B.make+sb+do/adj(使某人……)后一个空按语意来看,应该是他儿子考试不及格所以他很生气.

4.应该两个空都填has吧?WHO和NOBODY后的谓语动词都是第三人称单数.