是at a high voice 还是 in a high voice 还是其他

是at a high voice 还是 in a high voice 还是其他 问一条英语短语请问是in a loud voice 还是 at a loud voice 速度快是at a high speed 还是at the high speed 是a better voice还是the better voice high voice还是 big voice还是loud voice怎么用?why with a high speed 还是at a high speed?China has developed -- such a high speed. at high speed 还是at a high speed,教材上是前一种两者区别是什么? in high efficiency还是at high efficiency 以更快的速度翻译成英文是at a higher speed 还是at high speed? .The young singer _______ voice sounds _______ is good at singing popular songs.A.who; wide B.whose; sweet C.which; high D.whose; beautiful请问答案是哪一个?why? a high school是大学还是高中 He spoke in such a high voice(A to be heard; Bso as to be heard)at the farther end of the room为什么选B The girl spoke in a high voice d____ so that everyone could notice her答案已找到，是deliberately “Help!Help!” The little boy cried in a high ___.是填sound还是voice?为什么?这两者在这里的用法有何区别?（可能题目有点不正确,但是大概意思就是这样） 是in one voice还是with one voice? After a knock at the door,the child heard his mother's voice him.A.callingB.calledc.being calledd.to call选项是在VOICE和HIM之间 voice是可数名词吗 such a low voice with a metal voice还是in a metai voicewith a metal voice还是in a metal voice打错了。