问题
If you see a flag ___ __ outside a window, you may know someone in that house __ ____ a birthday.
A:fly, have
B:flew, has
C:flying, is having
D:flying ,has;
B:flew, has
C:flying, is having
D:flying ,has;
正确答案是：
同类题型
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We prefer ________at the party to________.
she began reading and saw what fun it was, there was no stopping her.