Food prices ____by 10 percent than last year为什么只能填increased而

Food prices ____by 10 percent than last year为什么只能填increased而 Food price last year increased only_____ A.slightly B.small more than 85 percent of students reported feeling increased The receipts have increased since last year.since是什么词性..为什么 1.this is the book -------- i wrote last year 为什么不填WHICH,而要用 Population in that area has increased ________ 10 percent th The grain production increased three times ()this year than I'm spending $50 to $80 more a week on food than last year这句 there ( ) more rain this year than last year be填正确形式 he runs ____(fast)this year than he did last year.如果填faster In the country ,house prices d____ by 13% last year. There ------pollutions this year than last year.