I don't know if I should make my hair _ or leave it straight.

．— 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

A./

B.whether

C.if

A.I don't hope so

B.I hope no

C.I hope not

D.She didn't say to

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 if she is ____________(qualification) for the job.

" ______ the population of China？"

"I don't know the exact number, but I know it has ______ population."

A．How much/much B．What's/a large C．How many/many D．What's/many

“I don't know”中的“'”符号时省略了哪个英文字母？ ()

I don’t know _______ to deal with such matter.

A.what

B.how

C.which

D./