Marco Polo is said to have sailed on Pacific Ocean on his way to Java in I thirteenth century.
A.the; a
B.a; 不填
C.不填; the
D.the; the

Although Rosemary had suffered from a serious illness for years, she lostof her enthusiasm for life.A.someB.neitherC.noneD.all

A.
A.some
B.neither
C.none
D.all

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角苔的孢蒴内具蒴轴、蒴齿和孢子等。（） 点击查看答案&解析