【推荐2】听了这个突如其来的消息，我们都十分诧异。
We ________________ the unexpected news.

【推荐3】我的建议是我们都要积极参加即将到来的运动会。
My suggestion is ________ an active part in the coming sports meeting.

【推荐3】给我留下深刻印象的是我英语考试不及格，感到极度心烦和失望。
What impressed me most was that I failed in an English exam, _________.

【推荐1】_______________a scream was let out. (be doing...when...)
我们正在欣赏这幅杰作，突然一声尖叫响起。

【推荐3】整座房子只有这一扇窗子是临街的，因此无论从对面或是从侧面都不必担心邻居的窥视。（一句多译）
_______________in the house facing the street, so no neighbours' glances were to be feared from across the street or at the side. (并列句)
______________ in the house facing the street, so no neighbours' glances were to be feared from across the street or at the side. (独立主格)