—You didn’t come to school yesterday, did you?—_______, though I was very busy.
–How are you? –Fine, thank you.______?
This is ruler . ruler is yellow .
“中国中央电视台”的英文缩写是:____________.
当别人夸你英语说的好时,你应说:
当你称呼李老师(男)时,应如何称呼?________.