一段时间以来,国际油价持续下跌,引起各方关注。假如2014年上半年国际原油价格为100美元/桶,人民币对美元汇率中间价为1:6.076,下半年国际油价下跌40%,人民币汇率下跌2%。其他条件不变,则购买一桶国际原油2014年下半年要比上半年( )
You’d better find an English pen friend ___ improve your writing.
There are 2100 students __ all in our school.
You’d better __ electricity; it would be dangerous.
Mum, I think I’m __ to get back to school.---Not really, my dear.You’d better stay at home for another day or two.
We were all surprised when he made it clear that he ___ office soon.