A. It existed
B. There existed
C. There had
D. It had
答案:B 句意:对于做这份工作的必要性,工人们存在一定的疑惑。There exists/existed...“有;存在”;相当于There be...结构。
3.pull vt. & n. 拉(力);拖;牵引力
[归纳拓展]
pull apart 拆散;拆开
pull away (汽车等)开走
pull down 拆毁;摧毁
pull in (车辆)进站停靠;靠边停靠
pull out 驶出;退出
pull through 康复;痊愈
①They are pulling_down_those_houses to make room for a new hotel.
为了给新旅馆腾地,他们正在拆除那些房屋。
②We waved as the train pulled_out_of_the_station.
火车驶出车站时我们挥手告别。
③In order to transport the machine easily, they had to pull_it_apart.
为了更容易地运送这台机器,他们不得不将其拆开。
[运用提升]
(2011·台州模拟)I was lucky enough to get on the train before it________.
A. pulled on
B. pulled down
C. pulled in
D. pulled out
答案:D 句意:我很幸运在火车出站前坐上车了。pull out“出站”;pull on“穿上”;pull down“拆毁”;pull in“进站”。
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