__________ these tips, and your time _______ doingresearch on the Internet _________ much worthwhile.

The new bridge over the river is___.

The novel written by the author best, but five years ago no one could have imagined how great a role he in the literary world.

At the meeting, all the employees were required not to________ any important details before it was made public.

Look! How long _____ like this— Three weeks! It’s usual here that rain _____ without stopping these days of the year.