She doesn’t ________ much money，but she enjoys the work.

Lucy is a very optimistic girl______ she is faced with a difficulty, she always sees the bright side

I think you should complain _____ you are happy with the situation.

Up to now , some less well-off people __________ into the public rental house in Chongqing

Each member country of WTO must_____its laws and regulations and complete on the principle of fairness and cooperation. [ ]