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.