Sandy often helps her father _____(clean) his car

问题描述:

Sandy often helps her father _____(clean) his car

help sb (to) do sth:to可以省略

to clean
in cleaning

可填写:clean 或 to clean 1.help sb.to do sth. 帮助某人做某事.  Can you help me to learn English 你能帮助我学英语吗?  I can't help you to lift this stone.我不能帮你搬这块石头.  2.be of some/ n...