you have a really good voice. I_____ you were good at singing.—Thank you.

It was not until she had arrived home _______ her appointment with the doctor.

（题文）It was a long time since the girl last saw her parents. No wonder she was not _____ excited when they came.

My dad is quite busy these days. He has been working for two days without ______.

I think nobody makes_______ contributions to the company than him.