He seemed in such an inconsolable state that I didn’t know whether-to leave or stay.

[单选题]I can’t leave. She told me that I stay here until she comes back.A． can B. must C. will D. may

[单选题]H．e didn't know German, ______ made it difficult for him to study at a university in Germany.A． thatB． asC． whichD． this

[单选题]I didn’t know what to do, but then an idea suddenly ________ to me.A.appear

[单选题]I didn’t know what to do, but then an idea suddenly________to me.A.appeared

[单选题]I didn’t know it then, but this disruptive way of reading started with the

[单选题]She didn’t know___to express he ride as clearly when she was invited to spe

语法正确。to be sent 是被动，但是be会被省略 to sent. i want to know whether the D report is forgotten to send or other reasons 语法对吗?

[单选题]The new staff didn’t know how to use the system _____I explained it to him

[单选题]I didn't know what to do,but then an idea suddenly______to me.A.appearedB.h

[单选题]I didn't know my identity card was needed, sir.- _________A.That's sorry.B.