问题
Hello! Is Mr. John in the office—Yes. But I’m sorry. He is busy _____ and can’t speak to you.
A:at once
B:at present
C:at the end
D:at first;
B:at present
C:at the end
D:at first;
正确答案是：
同类题型
Can I come and have a look at your new house— Yes, ______!
” Look! Here ____.” — “Oh, thank God. Here ____.” [ ]
Guess, how much does it cost—I think itcosts 15 and 20 dollars.
Obama, who came into _________ power on January 20, 2009, was awarded_________2009 Nobel Peace Prize
-I’ve invited Jim and Lucy to go with us.—____people I ____you planned the trip only for ustwo.