If you_______talk about it with me，please wait till I finish my work at hand

Tom is always ___________ about his study. — No wonder he has been doing so well in school.[ ]

The flu is believed____ by viruses that liketo reproduce in the cells inside the human nose and throat.

Could you please give me a hand with mysuitcase— _______

Last week, I bought an interesting story book, _____ is very beautiful.