When asked whether Andrew would like to live in the school, she __________ to answer that question, because she herself loved to stay home.

Scientists say human activity contributes to climate change, but they do not agree on the rate_______ climate change may be developing

______ regular exercise is very important, it’s not a good idea to exercise too close to bedtime.

Light doesn’t travel as fast as sound,_______

Officials from China and France formally promised on Thursday to build a new type of economic partnership, while ________ business cooperation.