The teacher stressed again that the students should not _______ any important details while retelling the story.

 According to scientists, our mental abilities begin to _______ from the age of 27 after reaching the highest level at 22．

 The peace talk between the two sides ______, as neither wanted to give in.

Haven’t you enough common ________ to know that it is unwise to go outside in such a hazy (雾霾的) day? You may get lost.

He came to my class every week, but his look       that he was not really interested．