...home. 主短从短*when后长动词短动词都可以接*when的主句和从句动作可以同时发生,I arrived when he was sleeping. 也可以先后发生。I'll phone you when I get home. *when后时态基本随意WHILE若主句和从句都是长动词,主从句时态必...
...关恐龙的研究进行了很长时间,也进行了足够的科普工作和外展工作,但是一些荒诞的说法仍然生生不息。2.For all films like Jurassic Park and documentaries like Planet Dinosaur helped drag the general view of dinosaurs into the 21st century, a good number of p...