Only when he reached the house ___ it was the same place he’d been in last year.
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.
I heard_____ voice that had been shouted to me as a child.
.How can you pass the examination_____ you never attended class?
Don’t touch anything in the lab unless____. A. to be allowed B. allowed C, to be allowing D.allowed to