Teachers have to constantly update their knowledge in order to maintain their professional ___.
C
暂无解析
We’dbetterdiscusseverything_______beforeweworkouttheplan.
Anearlytypewriterproducedlettersquicklyandneatly;thetypist,_____couldn'tseehisworkonhismachine.
--- Are you still mad at her?
---Not really, but I can’t ______ that her remarks hurt me.
It was never clear _______ the man hadn ’t reported the accident sooner
Mycameracanbe_____totakepicturesincloudyorsunnyconditions.