EGP #547 | C2 | MODALITY / must Can use ellipted 'must have' + '-ed' without a subject. ► ellipsis Lexical range: N/A
肯定是下错出口了。
___Must ___have ___taken the wrong exit.
肯定是喝多了。
___Must ___have ___drunk too much.
肯定是把钥匙落在办公室了。
___Must ___have ___left the keys at the office.
肯定是开了好几个小时了。
___Must ___have ___driven for hours.
肯定是撞到什么硬东西了。
___Must ___have ___hit something hard.
