Some people suggest changing the date for the college entrance exams into ______ Saturday and Sunday of the first week of June, which I think is ______ good advice.
The first half of the eighteenth century _____ the rise of quite a number of new writers, although most of them _____ hardly _____ to the general public today.
A. sees; ×; know B. saw; are; known
B. has seen; have; known D. had seen; have; been known