Space exploration began in the 1960s, and since then about five hundred peopleinto space

.It is ________ that people will not agree with what the manager at the meeting.

Stronger and more lasting memories are likely to be formed ________a person is relaxed．

them not everybody could run as fast as youdid, ______

Students should keep in mind thatthere’s something more important than _______fashion for them to seek after in _______ life.