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.

Q: Buses are ____ times as fuel efficient as cars.

A: five
****
Q: People often have to wait between three and ____ years for an organ especially for a liver.

A: five
****
Q: Women are ____ times more likely than men to develop foot problems.

A:
four
****