1 . 他上周在踢足球时摔断了一条腿。
He ________ while playing football last week. (“have sth. done”结构)

2 . We've all been there: in lift, in line at the bank or on an airplane, ________（surround）by people who are, like us, deeply focused on their smartphones or, worse, struggling with the uncomfortable silence. (所给词的适当形式填空）