We must bear in mind when we watch TV or surf on the Internet or talk on the phone ___ we are

题目

We must bear in mind when we watch TV or surf on the Internet or talk on the phone ___ we are
enjoying the fruits of man's labor.
A,as B,that C,while D,because

答案

B We must bear in mind when we watch TV or surf on the Internet or talk on the phone ___ we are改变一下语序when we watch TV or surf on the Internet or talk on the phone,we must bear in mind_____ we ar...