The houses in big cities are so expensive that I can’t __________ to buy one .
– The program the Amazing Race is very popular .-- __________ . We all like watching it .
-- __________ can you finish your report on campus safety ?-- In two weeks .
Many people are __________ building a chemical factory(化工厂)near here . They are worrying about the possible pollution .
– I don’t care how my parents think of me .-- Well , in fact I think you __________ .
– He promised to travel with you .-- But he __________ . I have been just with myself all the time .