[填空题] In the United States, it is not (36)______to telephone someone very early in the morning. If you telephone him early in the day while he is shaving or having breakfast, the time of the call shows that the matter is very important and requires (37) ______attention. The same meaning is (38) ______to telephone calls made after 11:00 p.m. If someone receives a call during sleeping hours, he (39) ______it’’s a matter of life and death. The time chosen for the call (40) ______its importance. Time plays a very important part in social life. In the U. S .A. guests tend to feel they are not highly regarded if the invitation to a dinner party is (41) ______only three or four days before the party date. But it is not true in all countries. In other areas of the world it may be (42) ______foolish to make an appointment too far in (43) ______because plans made for a date more than a week away tend to be forgotten. The meaning of time differs in different parts of the world. Thus, (44)_____