Last year ________ of new books were published on environmental protection.A. the h

Last year__________ of new books were published on environmental protection．A.the hundred#

These farmers got a good harvest last year, so they ______ a big sum of money for new farm

Last year ______ of new books were published on environmental protection.A．the hundredB．hu

Susan______ a book about cooking last year, but I dont know whether she has finished it.A．

A new technique______, the yields as a whole increased by 20 percent since last year.A．wor

Smith ______ a book about China last year but I don know whether he has finished it.A.h