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_____will the meeting begin -In ten minutes .

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_____will the meeting begin -In ten minutes .
A:when
B:how soon
C:how long
D:how often
怎么选?要有理由奥!
为什么不用A
1.when(何时,什么时间)
when is your birthday?
2.how long
指多长时间,主要用来对一段时间(如three days,four weeks 等)提问:
He has been here
对括号部分提问如下:
How long has he been here For three days.
他在这儿呆了多久?三天
补充:
How long 不只局限于用在完成时,它只是对一段时间提问 例如:
How long does it take you to go to school every day?Half an hour
你每天上学需要多久?半小时
3.how often
指每隔多久,主要用来对频度副词或状语(如once a year等)提问:
She comes here .
对括号部分提问如下:
How often does she come here?—Once a year.
他(每隔)多久来一次?—一每年一次.
4.how soon
指再过多久,主要用来对表示将来的一段时间(如in two hours,in three weeks 等)提问:
He will be back .
对括号部分提问如下:
How soon will he be back —In three weeks.他要多久才回来?—三个星期以后.
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