问题

In a text message, 88 means Bye-bye.- And another example is F2F______ stands for face to face.
A:that
B:who
C:whom
D:it;
B:who
C:whom
D:it;
正确答案是:
同类题型
They are similar___appearance, but differ_character
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Mary! If only we had less homework today!—_____We all need more relaxation.