1 . 由于工作繁忙，他偶尔去看望父母。
He pays a visit to his parents________ ________ ________because of his busy work.

2 . 19世纪后期，欧洲发生了巨大的变化，从以农业为主的社会变成了以工业为主的社会。
In the late 19^th century, Europe changed________ ________ ________, from a mostly agricultural society to a mostly industrial one.

3 . On the one hand, they wanted very much to visit their squad leader in hospital;__________, (从另一方面而言) they didn’t want to disturb his rest. (根据汉语提示完成句子)

4 . 令我们欣慰的是，交易没有出现任何问题。
________ ________ ________，the deal went through without any problems.

5 . 这位运动员早前受伤了，所以他不能将这场比赛坚持到最后。
______ ______ the player was injured, so he can't make it to the end of the match.

6 . ________ ________ ________ ________, shopping online may cause people to buy goods that are not badly needed.
另一方面，网购可能造成人们购买那些不急需的东西。

7 . 天气很好，所以派对将在户外举行。
The weather is fine, so the party will take place ________ ________ ________ ________.

8 . 我得为她说句话，她并没有恶意。
I have to say ______ ______   ______ that she meant no harm.