Since Tom ___downloaded a virus into his computer, he can not open the file now．

One of the customs officers, who was watching the arrivals very ________, saw feathers ________ from under a woman’s coat.

When I saw my teacher nodding _______ to me, I calmed down and went on with my performance.

 He absorbed himself so entirely to his research that ____he made himself ill.

—Can you lend me some money?—I’m short of money myself, but _____, I’ll give you some .