I don’t know if he tomorrow. If he tomorrow, I will ring you up.
—_____ do you like science? —Because it’s interesting.
—You must _____ a letter to your mother tomorrow. —Well, I will, Dad.
—_____ does Kangkang meet his friends? —Four times a month.
Mr. Wang _____ gets up early. So he is ______ late for work.
—Shall we go to the amusement park right away or next weekend? — ______Any time will do.