下列河流中,冬季有结冰期的是[ ]
A.黑龙江、珠江
B.珠江、长江
C.长江、黄河
D.黄河、黑龙江
答案:D
My sister met him at the Grand Theatre yesterdays afternoon, so he ________ your lecture.[ ]
A.couldn't have attended
B.needn't have attended
C.mustn't have attended
D.shouldn't have attended
地方陪同在接团前需要向饭店提供哪些旅行团的信息?