—How did you work out the Math problems?—Not able to ________ such difficult problems on our own, we had to turn to the teacher for help.
She had prepared carefully for her English examination so that she could be sure of passing it on her first ________.
—Hi, this way, please. —OK.I sometimes have no sense of ______ when I arrive at the crossroad.
The rain yesterday was heavy._____, the road were flooded.
Some people either _____ avoid questions of right and wrong or remain neutral about them.
If he refuses to _____ my plan, I can probably find someone more cooperative.