问题
选择题
-I am really glad to have you all here to my party, so_______.
-You are so kind, Mrs. Smith. We will surely have a good time.
A．you'd better ask for leave
B．take all your books with you
C．good bye and good luck
D．please help yourselves
答案
答案：D
题目分析：句意：--我真地很高兴你们全来参加我的聚会，因此请大家随便吃。--你是如此的友善，史密斯先生。我们确信将会玩得开心。联系句意：高兴大家能来参加聚会，因此让大家随便吃，固定短语：help oneself。结合选项只有第四项符合语境。故选D