The angry old lady didn t know who______for the broken glass.A．will blameB．to blameC．to be

I was 15 when I met my first real teacher, Mrs Geurin. I didn’t know her well at the time

It can be inferred from the first paragraph that______.A．up to now, Richard didn"t know he

The old lady __________Tom for breaking the window.

Edward, you play so well, But I ______ you played the piano.A. didn’t know B. hadn’t k

The old lady is quarrelling with others as if sh

The new staff didn’t know how to use the system _________ I explained it to him yester