29. On March 12, the students were planting trees ____ the classroom.
Singing and dancing, the children were __________ the park when it began to rain cats and dogs.
—Are you __________ about computer games?—No. I'm just interested in them.
—He is suffering from __________ in his back, but he is still working. —Maybe he knows no __________, no gains.
—Why do you eat so little? Mind your health. —Oh, please don't be __________ about me. I'm just __________.
Can you name some illnesses __________ with smoking?