Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
A、tookI'msorryIforgottowrite;Ihadsomuchelse________mymind.
It________asashocktorealizethatIwasnotaloneintheroom.
She________hernervousnesstotheimportanceoftheinterview.
Inthefuture,more______shouldbeplacedontheeducationoftheyoung.
Theenginehasbrokenandtheboatis______onthewater.
