41.Mary has a _______ view of our future. But nobody believes what she said.
42.Nobody knows his _______ for helping us.
43.Both sides agree to establish a _______ zone between the south and north.
44.This is a _______ moment for our research. We should be careful.
45.This textbook is for the _______ students, not for the beginners.
46.When I read the newspaper, I always read the _______ first.
47.They _______ our house at $10,000.
48.When he studied at college, Jack was supported by a _______.
49.Even as _______, he made several wonderful inventions.
50.An emergency _______ is very important in case of fire.
41.D 42.A 43.D 44.A 45.C
46.A 47.D 48.C 49.C 50.A