问题
In communication, a smile is usually strong sign of a friendly and open attitude.
A:the; /
B:a; an
C:a; /
D:the; an
B:a; an
C:a; /
D:the; an
正确答案是：
同类题型
How many students are there in your school?—_______ students, I think.
Are the offices in front of the dining hall?一Yes. The dining hall is _____ the offices. [ ]
Can I have ________ bread? –Yes, you can.
May I speak to Mr. Smith? —Sorry, he . Can I take a message?
I wonder ______ he is a young teacher or a student. Could you tell me?