Let's practice____together. A.sing B.to sing

问题描述:

Let's practice____together. A.sing B.to sing
Let's practice____together.
A.singB.to sing C.singing D.sings
填哪个?为什么?谢谢各位大神了!

后加doing sth ,所以选C谢谢啦不用谢,满意请采纳吧~~