_________worries me the way he keeps changing his mind. 

I would appreciate________, to be frank, if the goods could be delivered as soon as possible.

Of all the clues they provided, ______ is of any help for solving the case of robbery.

You’ve got so ________ housework to do. Can I help you, mum?

--- What do you think of these dictionaries?--- Most of them are updated. Still, ______ is so suitable for high school students as Multifunction English – Chinese Dictionary.