—I telephoned him twice and I couldn’t get through to his home.

       —I think the line might have been out of order, ________?

       A．don’t you B．wasn’t it   C．do you      D．hadn’t it

—I telephoned him twice and I couldn’t get through to his home.

       —I think the line might have been out of order, ________?

       A．don’t you B．wasn’t it   C．do you      D．hadn’t it

—I telephoned him twice and I couldn’t get through to his home.

—I think that the line might have been out of order, ________ ?

　　A．don’t you

　　B．do you

　　C．wasn’t it

　　D．hadn’t it

—I think that the line might have been out of order, ________ ?

　　A．don’t you

　　B．do you

　　C．wasn’t it

　　D．hadn’t it

I telephoned him twice and I couldn't get through to his home.

I think that the line might have been out of order, ________?

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