My mother helped me doing housework yesterday.______________________改错
人气:323 ℃ 时间:2019-11-14 00:40:06
解答
do
help sb do sth.do 应该用原型,还是did。原形,help sb do sth中的do就是代表原形。
推荐
猜你喜欢
- 已知平面内三个点A(0,-3),B(3,3)C,(1,-1),则向量AB与BC的夹角为
- 从前,一个小村子里有座漂亮的花园.(缩句)
- There are still____apples in the fruit bowl,will you have another one?A.few B.little C.a few
- terribel weather we had last Sunday.
- 初三物理试题钻木取火的一种方法,将削尖的木棒伸到木板洞里
- 英语中一般什么情况用it is作形式主语开头的句型
- 除去硝酸钾晶体中混有的少量氯化钠用什么办法,原因
- 已知无穷等比数列{an}首项为1,公比为q,前n项和为Sn,求lim(Sn/Sn+1)