Is this the third time that you ________ late?

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one-third a time one-third time the one-third time one-third the time

one third the time the one-third time one-third a time a one-third time

three the third third three

a third time the third time third time three times

second; third two; three two; third second; three

one-third a time one-third time the one-third time one-third the time

one-third a time one-third tim the one-third time one-third the time

one-third a time one-third time the one-third time one-third the time

one-third a time one-third time the one-third time one-third the time

one-third a time one-third the time the one-third time one-third time

one-third a time one – third time the one - third time one - third the time

second；third two：three two；third second；three

first second third fourth

one-third a time one-third time the one-third time one-third the time

Yo/△-11；Y/Y-12；Y/△-11 Yo/△-11；Y/Yo-12；Y/△-11 Y/△-11；Yo/Y-12；Y/Y-12 Y/△-11；Y/Y-12；Y/Yo-12

Δ/Δ Yo/Yo Yo/Δ Δ/Yo

Y 侧故障相电流等于 Yo 侧故障相电流 Y 侧故障相电流等于 Yo 侧故障相电流的 2/3 Y 侧非故障相电流等于 Yo 侧故障相电流的 1/3 Y 侧故障相电流等于 Yo 侧故障相电流的 3/2

three times; a second twice; a third twice; third
three times; second

Yo/△-11；Y/Y-12；Y/△-11 Yo/△-11;Y/Yo-12;Y/ △-11 Y/△一ll;Yo/Y-12;Y/Y-12 Y/△-11;Y/Y-12;Y/Yo-12