He‘sworkinghard_____.
B
for fear (that)“惟恐，以免 ”，引导的从句用虚拟语气 should+动词原形， should 可省略。 lest 意思及用法类似。
Hedidn‘tseemtomind_____themusicwhilehewasstudying.
He‘s working hard_____.
Mywalletisnowheretobefound.I_____itwhenIwasonthebus.
I can speak_____German.
Iwilldotheclearingifyousee_____thelunch.
