达人进She can't concentrate herself on her research work with so many letters ________ A.to answer B.to be answeredC.being answeredD.to be answering详解,谢

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/13 20:06:49

达人进
She can't concentrate herself on her research work with so many letters ________
A.to answer
B.to be answered
C.being answered
D.to be answering
详解,谢

B
首先确定要用被动,用to be表将来,表还没作的事

C,表是伴随

选B 首先还没做的事情 用 to be 表示将来时 answered 表示被动