1.They have their reasons for keeping their marriage ________ secret for ________ moment.
A．the；a B．the；不填
C．a；the D．a；a
答案 C [第一空：表泛指；第二空：for the moment是“暂时”之意。]
2．Nowadays，________ mobile phone is ________ popular means of communication.
A．the；a B．a；不填
C．the；the D．a；the
答案 A [第二空：需填a表示“一种”，故选A。]
