---Can you tell me how often he practices his English? ---__________.
The nurse treated the naughty boy very kindly, but her patience _____ at last.
You can use a large plastic bottle, _____ cut off, as a pot to grow your plant in.
The boss _____ the workers how to do it, or the accident couldn’t have happened.
The reason _____ their failure you know is ______ they didn’t get fully prepared for the experiment.
Susan could be a very attractive girl but she ____ no attention to her clothes.