Dad，I’ve finished my assignment.—Good，and__________you play or watch TV，you mustn’t disturb me.

__________,he never seems able to do the work beautifully.[ ]

I sympathize with those who have gone bankrupt,I can’t really do very much to helpthem out of the difficulties,especially when the U.S.economy has moved into a recession[]

Students are asked to _____ themselves inthis boarding school and they are only allowed to go back home once a week.

The Nuclear Security Summit is an initiative of Mr. Obama, considers nuclear terrorism to be one of the greatest threats to international security.