I would really appreciate ______ if you can make time in your schedules to attend my lecture today.
_______he grew older , he began to go deaf.
Can you tell me ______to the station?
By the end of last year, we _________seven hundred English words.
------I’m afraid I can’t finish the book within this week. ------______.
According to a UN report,one third of the world population have noto clean drinking water and health care.