The film was made _____ the World War Ⅱ.

Speech is ______ heard when it is given in a clear voice just slightly louder than normal.

Ann is in hospital. ——Oh, really I_______ know. I_______ go and visit her.

The window must havetaken you quite a lot of time that day — RightThey____ for weeks

I didn’t hear you come in just now.— That’s good. We tried ________ any noise, for you were sleeping.