—When can I call you, Mrs. Li?—You can call me ____ 13911068785 ____ the evening.
A. in; in
B. in; at
C. at; in
D. at; at
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—Where can I see a doctor?—There is a ____ on the street corner.
A. post office
B. supermarket
C. hospital
D. railway station
My family ____ a big family. My family ____ watching TV at home now.
A. is; is
B. is; are
C. are; is
D. are; are
—Many people think the traffic in Beijing is ____.—I think so, and it is very ____ in cities.
A. busy; quiet
B. heavy; clean
C. clean; noisy
D. heavy; noisy
钢结构耐热不耐火,易锈蚀,耐腐蚀性差
A. 对
B. 错