Food safety is ______ important, so the government spares no efforts to prevent food pollution.
. It’s necessary to be prepared for a job interview. ________ the answers ready will be of great help.
. The police found that the house ________ and a lot of things ______
. --- It’s already 9:00 o’clock, but he hasn’t turned up yet. --- He ______ in the traffic jam.
. _______ of such a long and boring meeting, the little turned to his favorite music on MP3.
. . Although I have four topics ________ , I still don’t know what to write about.