He didn’t know________to do and what to say at that moment.

It can be inferred from the first paragraph that______.A．up to now, Richard didn"t know he

The angry old lady didn t know who______for the broken glass.A．will blameB．to blameC．to be

I didn’t know what to do but then an idea suddenly ________ to meA.appearedB.happenedC.oc

So nervous______that she didn’t know how to start her speech.A.since she becameB.would she

The new staff didn’t know how to use the system _________ I explained it to him yester

I didn’t know what to do but then an idea suddenly ______ me.A.happened to B.ente