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—I miss my mother very much. She has gone abroad on business for nearly a year but luckily she will be back in a week.

—Pardon? I ______ something else just now. ________ will she come back?

A．was thinking; How long                   B．thought; How often

C．was thinking; How soon                   D．thought; When

— Has Li Hong gone to the library?

                  — Pardon?

                  — I asked       the library.

                  A. if Li Hong had gone to                                B. if had Li Hong gone to

                  C. Li Hong had gone to                                   D. has Li Hong gone to

---Pardon? I _____ quite catch you.

--- I said I ______ the song before.

A．didn’t, hadn’t heard                   B．don’t, didn’t hear

C．didn’t, didn’t hear                    D．won’t, hadn’t heard

---Pardon? I _____ quite catch you.
--- I said I ______ the song before.

 —Has Li Hong gone to the library?

—Pardon?

—I asked           the library.

A. if Li Hong had gone to B. if had Li Hong gone to         C. Li Hong had gone to