283. How much is a can of soda ?
284. How many eggs does he want ?
285. How many grams of beef does she need ?
286. Where is Ba ?
287. What is Lan doing now ?
288. What does he want ?
289. How does Mai feel ?
290. What is Lan doing in the room ?
291. How much is a cake ?
292. How many bottles of water on the table ?
293. What color are her eyes ?
294. Who often travels to work by car ?
295. Where are they going to ?
296. How does his sister go to work ?
297. What are those ?