Whoseeraseristhis?
--It's________.
Momaskedmeto_____________grandpawhenshewasout.
-Thiskindofsportsisexciting.
-Yes,butit'sdangerous.Onecan'tdoit_______heorshehasgotsometraining.
-Theyoungmanwhoenteredourfactorylastmonthhasmadesomemistakesthisweek.
-Well._______.
句子翻译:这些句子必须都记在笔记本上吗?
-Couldyoutellme_______?
-Untiltomorrowafternoon.