John knocked at the door for nearly five minutes ____his wife opened it. A before B until 选的是AJohn knocked at the door for nearly five minutes ____his wife opened it.A before B until选的是A,为什么B不对?
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![John knocked at the door for nearly five minutes ____his wife opened it. A before B until 选的是AJohn knocked at the door for nearly five minutes ____his wife opened it.A before B until选的是A,为什么B不对?](/uploads/image/z/9249803-35-3.jpg?t=John+knocked+at+the+door+for+nearly+five+minutes+____his+wife+opened+it.+A+before+B+until+%E9%80%89%E7%9A%84%E6%98%AFAJohn+knocked+at+the+door+for+nearly+five+minutes+____his+wife+opened+it.A+before+B+until%E9%80%89%E7%9A%84%E6%98%AFA%2C%E4%B8%BA%E4%BB%80%E4%B9%88B%E4%B8%8D%E5%AF%B9%3F)
John knocked at the door for nearly five minutes ____his wife opened it. A before B until 选的是AJohn knocked at the door for nearly five minutes ____his wife opened it.A before B until选的是A,为什么B不对?
John knocked at the door for nearly five minutes ____his wife opened it. A before B until 选的是A
John knocked at the door for nearly five minutes ____his wife opened it.
A before B until
选的是A,为什么B不对?
John knocked at the door for nearly five minutes ____his wife opened it. A before B until 选的是AJohn knocked at the door for nearly five minutes ____his wife opened it.A before B until选的是A,为什么B不对?
before 表示在某一时间段之前,此句中有for nearly five minutes这一时间段,因此用before 更贴切
untill 一般常用于否定句中,而且表示之前一直在做(没有停),如果用在此句表示他连续不停地敲了5分钟,显然不合常理
B until只能用在否定句中,直到......