问题
选择题
Robert is interested in ________ astronomy and he wishes he could make a trip into ________ space one day.
A.the; the
B.an; the
C.an; /
D./; /
答案
答案:D
题目分析:考查冠词。astronomy指学科,学科前不用冠词;space指“太空”,一般不与冠词连用,但有形容词修饰时,应使用定冠词。