单项选择题
We won't be able to come to your dinner party on Saturday because that happens to be the day we are expecting guests ourselves.（）
A．星期六那天我们自己也有请客，因此无法参加你举行的宴会。 B．星期六那天我们有客人来，因此无法为你举行宴会。 C．星期六那天我们家也要来客人，因此无法参加你午餐后举行的聚会。 D．星期六那天我们家也请客人聚会，因此无法替你举行的宴会帮忙。
单项选择题 Whereas Mr. Brown had been delighted at the news, his wife saw that it might mean trouble.（）
单项选择题 His superior grades at high school enabled him to enrol at the tuition-free College of the City of New York.（）
单项选择题 The word "sunscreen" (Line 2, Para. 2) probably means（）
