Mary has been abroad for 6 months. I have written to her but I haven’t had time.
—I must apologize for ________ ahead of time. —that’s all right.
________ I understand you,I still can’t support you.
____ to the Qin Dynasty,the traditional crosstalk shows have made people roar with laughter.
We will ________ the old building to make room for the new cinema.
Japan lies ________ the east of China and ________ the east of Asia.