A． turn it on
B． turn it off
C． turn on it
D． turn off it
[单选题]—The light in his room is still on. Do you know??____________?—In order to prepare for the coming exam.A． if he works hard B. why he stays up so lateC． why is he so busy D. when he will stop working
[试题]6.Why can’t ultraviolet light scorch our skin on E［A］BecausetheEarth’satmospherecanmakeultravioletlightlessharmful.［B］Becauseultravioletcan’treachtheEarthatall.［C］BecausetheEarthisfarawayfromthoseplanetsradiatingultravioletlight.［D］Becauseotherspacepl
Why does Miller hope the star system still exists in public libraries?A. It is a
Why did you stop my car, police officer?()You just ran a red light.A. Your drive
Here is one of the obvious reasons why you should still bother to get business c
[单选题]Why did you have to stop repairing the pump？Because the lamp gave ( ) light
[单选题]The passage focuses on .A． why Pepperberg decided to carry out the experimentB． how Pepperberg proved her theory abottt animals' thoughtsC． the new way of communication Pepperberg proposedD． the problems that Pepperberg faced in the experiment
Why are classical music pieces still used as background music in modern movies?A
[单选题]______no need ______ the radio as I’ve used to studying with it on.A.It’s;
[单选题]The manager promised to keep me( )of how our business was going on.A.inform