Traffic on the bridge was_______for an hourbecause of the accident.

These questions sound very interesting. Which of the following is correct for the underlined word

There are millions of websites on the Internetand there _________ a lot of useful ________ on the websites.

o you think of his talk on Information Technology –Oh, excellent. It’s worth ________.

In the experiment we kept _____ watchful eye on ______developments and recorded every detail.