Windows98操作系统是一个__。
A、单用户多任务操作系统D
暂无解析
Frankalmostneverreceivedanyeducation,____?
____whatmay,we’renotgoingtomakeanyconcessionstohisunreasonabledemands.
Allwewanttodo______tofindenoughwater_______thehorses.
Thefirststepinthestudyofanylanguageisobservingand____preciselywhathappenswhennativespeakersspeakit.
You____thatlettertoJames.However，youdidn't.
