______(不会用) a computer makes it more difficult for him to do his academic research. (use)

单项选择题Joseph ______to evening classes since last month, but he still can't say What's your name in Russian.

单项选择题Nowadays some hospitals refer to patients ______name, not Case number.

单项选择题—I'm going to study engineering in Qinghua University tomorrow.

填空题After she completed the project, she' ll have______(没什么要担心的). (worry)

单项选择题Computers and mobile phones, though they are indeed making our life______and more ______, have reduced the need for face-to-face communications.