注意：此页面搜索的是所有试题
题目内容
（延安大学-大学英语4）
Mr. Write can be very sad in private, though ________ he is very cheerful.(本题3.5分)
A、 by himself
B、 in person
C、 in public
D、 as individual
A、 by himself
B、 in person
C、 in public
D、 as individual
参考答案
