Lucy had few close friends. So she didn’t know ________ about the trouble.

Will there be schools in the future —No, there ______.

When the man came in, gun in hand, we all stood there, ______ [ ]

(2011·山东)He had his camera ready ________ he saw something that would make a good picture.

Whose T-shirt is this –It ____ be John’s. It’s ______ small for him.