Do not let any failures discourage you, for you can never tell ________ close you may be to victory.
| A．how | B．that |
| C．which | D．where |
The dog had such ______ to his master that it would not leave him, even when he was dead.
| A．invitation | B．attention | C．protection | D．devotion |
---who______it be that is knocking at the door?
---It_______be Father, but I’m not sure.
| A．can, must | B．can, may | C．must, can | D．may, must |
Though _____ of the danger of hiking in such weather, the young men still wouldn’t give up their plan.
| A．reminding | B．reminded |
| C．being reminded | D．having reminded |
The detective, __________ to be reading a newspaper, glanced at the man seated next to a woman.
| A．pretending | B．intended | C．pretended | D．intending |
We had not waited __________ she came.
| A．long before | B．before long | C．after long | D．soon after |