model B:he didn't come back.we were ready to leave.(until)------he didn't come back until we were readyto leave1,the teacher didn't begin the lesson.all the students became quiet2,i couldn't ride a bike.I was sixteen3,i didn't know about this.he told
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![model B:he didn't come back.we were ready to leave.(until)------he didn't come back until we were readyto leave1,the teacher didn't begin the lesson.all the students became quiet2,i couldn't ride a bike.I was sixteen3,i didn't know about this.he told](/uploads/image/z/555784-16-4.jpg?t=model+B%3Ahe+didn%27t+come+back.we+were+ready+to+leave.%28until%29------he+didn%27t+come+back+until+we+were+readyto+leave1%2Cthe+teacher+didn%27t+begin+the+lesson.all+the+students+became+quiet2%2Ci+couldn%27t+ride+a+bike.I+was+sixteen3%2Ci+didn%27t+know+about+this.he+told)
model B:he didn't come back.we were ready to leave.(until)------he didn't come back until we were readyto leave1,the teacher didn't begin the lesson.all the students became quiet2,i couldn't ride a bike.I was sixteen3,i didn't know about this.he told
model B:he didn't come back.we were ready to leave.(until)------
he didn't come back until we were readyto leave
1,the teacher didn't begin the lesson.all the students became quiet
2,i couldn't ride a bike.I was sixteen
3,i didn't know about this.he told me last night
model B:he didn't come back.we were ready to leave.(until)------he didn't come back until we were readyto leave1,the teacher didn't begin the lesson.all the students became quiet2,i couldn't ride a bike.I was sixteen3,i didn't know about this.he told
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until是直到的意思
1 the teacher didn't begin the lesson until all the students became quiet
2 I couldn't ride a bike until I was sixteen
3 I didn't know about this until he told me last night