用单词的适当形式填空,求救
There is______(parent)meeting this afternoon.
We have _____(difficult)practicing playing the piano.
请问这道题隐藏着什么句型?是have什么再加doing?
They _____(get)ready for the English test these days.
these days应该用什么时态?
My dream is _____(become)a scientist one day.
这填becoming吗?