24. ---Is there any flight to New York?
--- I think there ______ be, for it is snowing so heavily.
| A．shouldn’t | B．mustn’t | C．can’t | D．needn’t |
—There is still a copy of the book in the library. Wall you go and bottow______?
—No, I’d rather buy____in the bookstore.
| A．it; one | B．one; one | C．one; it | D．it; it |
_________ worries me the way he keeps changing his mind.
| A．This | B．That | C．What | D．It |
___ felt funny watching myself on TV.
| A．One | B．This | C．It | D．That |
Catherine bought a postcard of the place she was visiting, addressed___to ___ and then posted it at the nearby post office．
| A．it; her | B．it; herself | C．herself; her | D．herself; herself |
If I can help_______, I don't like working late into the night.
| A．so | B．that | C．it | D．them |