单项选择题
W: Did you graduate when your cousin did in 1977 M: No. I finished school two years before she did.
A. In 1975. B. In 1977. C. In 1976. D. In 1978.
A. Offering the guest again and again is. not polite. B. Offering nothing to the guest. C. Believing whatever the guest says. D. Offering tea to the guest.
A. is well worth the money spent on its construction B. is almost faultless from the point of energy conservation C. failed to meet energy conservation standards D. was designed and constructed in a scientific way