There is apple tree in my garden. It's over 10 years old.A.theB.aC.anD.不填
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There is ________ apple tree in my garden. It's over 10 years old.
A.the
B.a
C.an
D.不填
试题答案
C
此题用不定冠词，表泛指；因 apple是以元音音素开头的单词，所以要用不定冠词an。