26．I called Nancy many times but couldn't get through．Someone ______ on the phone all the time!
| A．has been talking | B．was talking |
| C．has talked | D．Talked |
. The purpose of the research had a more important meaning for them than ____.
| A．ours | B．those of ours | C．it had for ours | D．it did for us |
—Did you sec anyone coming into the building?
—No, I didn’t
—______?
—There is no doubt about it.
| A．OK | B．Sure | C．Really | D．Is that so |
. It’s been raining for almost a week. ____!
| A．What terrible | B．What terrible weather | C．How terrible | D．How terrible weather |
___, I think, and the problems could be settled.
| A．If you double your efforts | B．So long as you keep up your spirits |
| C．Making greater efforts | D．A bit more efforts |
—He hasn’t finished the work yet. —Well, he _____.
| A．ought | B．ought to | C．ought to have | D．ought to have finished |