A. HTML B. IoT C. search engines D. Web 2.0
A. CSS B. service providers C. streaming D. Web 3.0
A. valued B. invaluable C. valueless D. worthy
A.the, the B.a, \ C.a, the D.\, the
A.the instant B.on the instant C.for an instant D.in an instant
A.to be asked, to see B.being asked, to see C.to be asked, seeing D.being asked, seeing
A.turn in B.turn over C.turn up D.turn down
A.his leg muscles B.his legs muscles C.his muscles of leg D.his muscles of the leg
A.To be equal to other things B.Other things being equal C.Other things to be equal D.Were other things to be equal
A.susceptible B.invisible C.perceptive D.perceptible