I know every word in an（), but I don’t know what it implies.

I shall start the work ______ he comes. I don't know what to do first.

A．after

B．until

C．unless

I don't know what happened. I didn't do ______.

A．everything

B．anything

C．one thing

．— Do you know Jim qurrelled with his brother — I don’t know, _________ .nor don’t I creB．nor. ．— Do you know Jim qurrelled with his brother — I don’t know, _________ .nor don’t I cre B．nor do I cre C．I don’t cre neither D．I don’t crelso

A．nor don’t I care

B．nor do I care

C．I don’t care neither

D．I don’t care also

—Do you know Jim quarreled with his brother？ —I don't know, ______.

A．nor don't I care

B．nor do I care

C．I don't care neither

D．I don't care also

—I don't know whether I should go abroad or not, Mum.

—I leave ______ to your own judgment whether you should do it.

A) that B) it C) this D) what

I don’t know whether what she said is true, but I’ll try to ________ it.

A) conform

B) confirm

C) confess

D) confine

A．that

B．what

C．whether

D．if