lmanyexpertsholdtheview______teacherdevelopmentis_____thekeytobettereducationlies.
Athat:whereBwhich:whereCwhich:inwhichDthat:inwhich
正确答案为A为什么?D为什么不对?
----Isenthimthedictionarybymailthismorning
----you_____that.He'scomingtomorrowmorning.
Aneedn'thavedoneBdidn'thavetodoCneedn'tdoDmustn'tdo
正确答案为A.BC为什么不对?
Theeditoraskedmetowriteanotherarticle,______abouthowtostayawayfrombirdflu.
正确答案为A为什么?.为什么C不对?
AoneBanyCthatDwhich第三题选择项啊~