The manager told us that _______ careful we are, ________ mistakes we’ll make.
I was just about to go to bed last night ______ the telephone rang.
This is the knife _____ I cut apples yesterday.
E-mail, as well as telephones, _____ an important part in daily communication.
The girl said she would buy a gift for her sister with the _____ money.
If you are _____ about Australian cities, just read the book written by Dr Johnson.