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【单选题】
The simplest type of oligopoly isA.
monopoly.
B.
duopoly.
C.
monopolistic competition.
D.
oligopolistic competition.
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【单选题】It is selfless ________ the doctor to devote all the time he had ________ for the patients.
A.
for; to care
B.
of; to care
C.
for; to caring
D.
of; to caring
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【单选题】If he had followed the doctor's instruction and ______ in bed to rest, he ______ recovered already.
A.
had laid would
B.
had been lain would
C.
had lain would have
D.
was laid would have been
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【简答题】Peter King, 15 and Mary King, 13 went to see a doctor together. Peter had a bad cold, so the doctor gave him some pills to take. Mary had a bad cough, so the doctor |gave her some cough medicine. Thes...
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