现在我妹妹可能在卧室睡觉。At the moment my sister could________ ________in the bedmom.
Computers were (发明) not long ago, but they are very useful for us.
So far, (千) of people have died of COVID﹣19.
Could I (借) your dictionary?
他们结婚已经 50 多年了.
他太小了不能独自去那儿.