问题
选择题
--- You look happy today. Is there anything good?
--- I’m very delighted ______ as one of the exchange students.
A.to choose
B.to have been chosen
C.choosing
D.having been chosen
答案
答案:B
本题考查非谓语动词。be delighted to do高兴做某事,根据题意,事情已经发生,故用不定式的完成时态,选B。