雅思作文应该用什么时态？

体坛英语资讯：Lance Armstrong pledge on drug tests

国内英语资讯:Support from China crucial, says Colombian ambassador

国内英语资讯:Thailand willing to work with China to start railway project soon: Thai PM

体坛英语资讯：Liverpool, Inter and Atletico through; Chelsea made to wait

体坛英语资讯：Real Madrid President promises new signings for January and the summer

交通信号灯为何用红色、黄色和绿色？

体坛英语资讯：Barcelona display authority as Real Madrid lose their way

体坛英语资讯：Mane named new Espanyol coach

体坛英语资讯：Heinze adds to Real Madrids injury worries

体坛英语资讯：IOC reiterates confidence in London Olympics success

国内英语资讯:Xi stresses Internet innovation, security

体坛英语资讯：Robben ends debate over himself and Messi

国内英语资讯:China, Portugal pledge to upgrade economic cooperation

体坛英语资讯：Huntelaar: Im at the best club in the world

体坛英语资讯：New testing framework within WADA proposed at Olympic Summit

体坛英语资讯：Liverpool remain top after win, Chelsea set record

体坛英语资讯：Jailed Marseille fan set to be released on bail

国内英语资讯:Chinese official voices stronger links with Lithuania

为什么乔治小王子总穿短裤？

体坛英语资讯：Ronaldo signs with Corinthians

国际英语资讯:Trump needs to pivot to jobs, economy in debate amid scandal over lewd sexist remarks: Trump

体坛英语资讯：Yin named as caretaker coach of Chinese national team

体坛英语资讯：Aguirre: We want to finish top of our group

体坛英语资讯：Man. United beat Chelsea 3-0 in Premier League

体坛英语资讯：Higgins beats Ding to reach semis at snooker Masters

体坛英语资讯：Ronaldo takes 1st award, Marta makes it three in a row

体坛英语资讯：Schalke 04, Leverkusen rebound upward trend

体坛英语资讯：Kaka elected most popular player in Brazil

体坛英语资讯：Hurdler Liu expected to be back on track in six months

体坛英语资讯：Raul helps Real beat Mallorca