【正文】
you fresh watermelon in the fall. eat eaten be eating 提示 :根據(jù)句意 :如果你在春天種下西瓜種子 ,你會(huì)在秋天吃到新鮮的西瓜??梢耘袛噙@是真實(shí)的條件從句 ,將會(huì)發(fā)生的事情 ,所以選用 will be eating 表將來(lái)。 答案 :D (6) When you arrive at the airport,a guide for you. be waiting wait waiting going to waiting 提示 :該題表示在將來(lái)某一時(shí)刻進(jìn)行的動(dòng)作 —— 一個(gè)導(dǎo)游正在等你。 答案 :A (9)I have been studying here for four years and by next summer I . graduate be graduated be graduating have graduated 提示 :by next summer 是明確表示將來(lái)的時(shí)間狀語(yǔ) ,主句表示在這個(gè)將來(lái)時(shí)間以前完成的動(dòng)作 ,故應(yīng)用將來(lái)完成時(shí)。 答案 :C (12)I am sure he the difficulties before you arrive there. have settled settled 提示 :befor