Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Cardiovascular disease is the cause of more deaths than the next ____ causes of death combined.
seven

Most species have four toes, ____ of which are forward-pointing.
three

Rhinoviruses are most infectious in the first ____ days of cold symptoms .

three