The driver could have survived, but he ____ the seat belt.
Everyone must ___ their notebooks on the desk while taking an English exam.
He is rather difficult to make friends with, but the friendship of his, _____, is truer than that of anybody else’s.
The wrong you’ve done to her is terrible, ____ you should make an apology to her, I think.
---- Jerry won first prize in the vocabulary contest!---- ______ I guess there must be another Jerry in the contest!
To complete the project as planned, the workers were busy working all day, only ______ a short rest once in a while.