_____ life exists on any other planet in the solar system still remains a question.
| A．Why | B．Whether | C．How | D．Where |
196. On Sunday morning, Mother bought a piece of__________at the butcher’s.
| A．Flesh | B．meat | C．muscle | D．Vegetable |
195. According to the regulation, you can only borrow a_______of ten books from the library.
| A．minimum | B．majority | C．main | D．Maximum |
194. The old farmer went to the_____nearby to sell his homemade basket every morning.
| A．fair | B．market | C．monument | D．Fairy |
193. You can find the town on recent_______ if you are afraid of losing the way there.
192. You are only allowed to take less than 30 kilograms of carry-on(随身携带的)__________onto a plane.
| A．food | B．luggage | C．fruits | D．Bag |