从方框里选择合适的短语填空。

at home，every day，not bad，right now，on the phone

—What is your brother doing _______？—He is reading a book in his room.
Linda is studying in Beijing.She often talks with her friend ______．
—Does Jack read English ________？—Yes.He reads for half an hour in the morning.
—How is it going, Julia?—_______, thanks.
—Is your mother _______ now?—No, she isn't.She is running in the park.