Everything was placed _______ where he wanted it for the party, with which he was very satisfied.

Make sure the gas is turned off after a bath, which would _______ cause danger. 

 The repair work may take us a long time，but          it’s worth trying.

Stress can be extremely damaging to your health. Exercise, _, can reduce its effects.

—What do you think of Zhang Liang Ying's English songs?—Very attractive and lively. Almost no other Super Girls can sing ______ at present, I think.