Unit 5 A Miserable,Merry ChristmasLanguage Points: 1.make sure:设法确保;(把……)查明。例: (1)Ask for a receipt and make sure that you getit.要一张收据,而且一定要拿到手。 (2) I went round making sure that all the windo...
while的主要用法如下: 一、用作从属连词(subordinate conjunction),引导状语从句。 1.表示时间,意为“当(在)……时候,趁……,和……同时”。如: We must strike while the iron is hot.我们必须趁热打铁。 Never get on or off a bus ...
whether 和 if 在语法及语义上各有异同,其用法和区别如下:一、whether 可直接用于介词之后,if 则不能。There is some question as to whether we can get there in time.I’m not interested in whether you like the plan or not.I w...
My Favourite SportMy favourite sport is football.I was a member 1.____of our school football team.We practise for three times 2.____every week and often watch football match on TV 3.____together.Play football not only...