【单选题】This is _____ useful book that we all need to read it. [ ]
【单选题】---Which book do you think is the most useful to my studies? ---________, as long as you read it. In fact, they are out of date.
【简答题】How to examine an L/C?
【单选题】This is _____ useful book. I read _____ book every day. [ ]
【单选题】Bill the letter from my hand and read it quickly. [ ]
【单选题】--- What ________ useful book ! ---Yes, it is. But I found___________ difficult for me to read.
【简答题】The study was means to examine how the brain reacts to electromagnetic fields caused by wireless phone signals.
【单选题】---What _____useful book ! ---Yes, it is. But I find it ______ difficult for me to read.
【单选题】The speaking outline won't be useful if you can't read it at distance instantly.