Not until the man i，n black took off his dark glassesthat he was the famous film star.

I thought _____ no use talking with him _____ was a waste of time

Leaves are found on all kinds of trees, but they differ greatly____ size and shape.

Do you have any idea when the project will be carried out?—No, but I have heard that it was not until last month _______ it was approved.

The little girl is a talented pianist.— Everyone in her family is musical. __________.