My watch works very well. There is _______wrong with it.

Most of the roads were covered with thick snow, ____ made our journey more difficult.

The traffic on the main streets has a longer green signal than______ on the small ones.

Of all my friends,__________ is so diligent as Tom.

--- Can I help you? ---I’d like to buy a present for my father’s birthday, _______ at a proper price but of great use.