填空题

As America is home to so many different nationalities, one can find almost any kind of restaurant in all the large cities. But fast food shops have become very (47) in the U. S. because they are quick and cheap.
And cafeterias are (48) popular with American students. There you can get (49) food such as fried fish, salad, vegetables, sweet potatoes, rice, hot rolls etc. There are also (50) and drinks. You can pick up whatever strikes your (51) .
Tips are generally not required at cafeterias where you serve yourself and you are expected to clear your own table of dishes, and (52) your trash in the garbage cans.
In most cafeterias, you stand in line. As you walk along, you select items (53) at a counter. At normal mealtimes, cafeterias are crowded with people. You can usually get a seat without waiting too long if you eat a little early or a little late.
Students entering the cafeterias on the campus are required to (54) their own meal cards. Student identification cards and any other identification must be showed if requested by dining hall (55) , student managers, or checkers. An individual who refuses to show a student I. D. card will be considered a non-student and will be (56) entrance. Of course, dining at students’ cafeteria, students are required to follow some rules.
A) abnormally F) especially K) penetrate
B) staff G) desserts L) widespread
C) available H) fancy M) shortly
D) discard I) various N) variety
E) sequence J) present O) denied