instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Echocardiography demonstrates in clear, graphic fashion the _ cardiac chambers and four valves.
answer:
four


question:
Young pandas mature very slowly and are almost _ months old before they are weened.
answer:
six


question:
Tics occur _ to four times as often in boys as girls.
answer:

three