问题
There is ______ “f” and ______”u” in the word “four”.
A:an, a
B:a, an
C:an, an
D:a ,a
B:a, an
C:an, an
D:a ,a
正确答案是:
同类题型
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How can I make full use of my time? —Makea clear timetable first.
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He told us that he was tired and thirsty because he ________ in the desert for days.
The little boy ________ his seat to an old lady on the crowded bus.