. —— The door was open.—– It ___________open. I had locked it myself and the key was in my pocket.

It was quite a job for her to ________ several children all by herself during the war.

晚饭后，你散步时遇到你的一个朋友，你应说_________ 来打招呼。

Tom, your hair is too long. Would you please get your hair _______.

_______ surprised me most was _______ such a little girl of seven could play the piano so well