Tom realized that he ________ his physicsbook at home when he reached school．

for the timely investmentfrom the genernot be developing so fast as it is.

__________your parents __________ Yes, they do.

Jim was not _______ to the club, because at that time he was not a member of it.

ThefireworksontheSpringFestival’sEvearereallybeautiful____theclearblacksky.[ ]