Lenke
幼苗
共回答了21个问题采纳率:90.5% 举报
C
但当叙述过去经过一番努力才能完成的事情或前面有特殊说明,表示你有能力时,只能用be able to.
【误】The fire spread the building quickly but everybody could escape.
【正】The fire spread the building quickly but everybody was able to escape.
大火迅速蔓延到整幢大楼,但大家都逃了出来.
1年前
6