Itisnotdecided________theconferencewillbeheld.
A、whatC
A 什么 B 哪一个 C 什么时候 D (无词义)
Thisisanimportantproblem_______toofewsocialscientistshaveresearched.
Well-arrangedsentencesareconsideredgrammaticalsentencesthatareformedfollowingasetofsyntacticrules.
Thereisadeadlock(僵局)inthediscussionwhenneithersidegives________totheother.
Thesetwoalarmclocksarenormallysettogether,butnowtheyhavebeenresetafewhours_________.
Iaskedhimto________meafewminutessothatwecouldgooveralltheproblems.
