单项选择题

A．Learn from her since she took the class.
B．Concentrate on the section on prostaglandin.
C．Study the exam papers.
D．Work harder.
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单项选择题
A．The test was harder than he had anticipated.B．He was lucky to pass the biology test.C．Professor Martin is known for giving hard tests.D．He has never failed in biology.
A．The test was harder than he had anticipated.
B．He was lucky to pass the biology test.
C．Professor Martin is known for giving hard tests.
D．He has never failed in biology.
填空题
easier
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