词语运用。根据提示，用词汇的适当形式完成下列句子。（每题1分，共10分）
（1）___________（什么时候）did they come? – They came last week
（2）We ________（穿）warm clothes yesterday.
（3）I was ________ (在……之间) the two girls .
（4）The bad man was_________(生气的).He__________(带走)Ma Liang away.
（5）My room were ________ （脏的）yesterday.I ________(打扫，清理) it.
（6）He ______ ______ his bike and hurt his knee yesyerday.
（7）Wash your hands __________ （在……之前）you eat.