求老师解答:It's difficult _____
求老师解答:It's difficult _____
求老师解答:—There's a(n) _____
求老师解答:______?No,it's Sat
求老师解答:It's so cold outside
求老师解答:单词填空.1.It's
麻烦老师解答:It was foolish _____
it's difficult for a child _____ _____the work
It's really difficult to _____(education) the children well.
I don't like _____(物理).It's too difficult.
求老师解答:用“_____”画出不同
求老师解答:Some birds fly _____
麻烦老师解答:句型转换. It's