301. What's the height of the building?
302. How much does the elephant weight?
303. What's the color of your new dress?
304. What's the size of your shoes?
305. My brother is twice as tall as your sister.
306. My grandma is 40 years older than me.
307. This river is one third as long as that river.
308. What's the shape of your balloon?
309. How wide is this bridge?
310. How thick is the ice here?
311. This metal is harder than that one.
312. He can run as fast as Jim.
313. Kate is smarter than I.
314. How long do you watch TV every day?
315. How often do you go swimming?