I wasn't blaming anyone; I__________ said errors like this could be avoided.
I can’t finish the experiment by myself, so the honor____ to all the members in our team.
--How is your grandfather now?--Oh, he _______for two weeks.
There is no doubt______ one day the medicine for AIDS will be made.
After the accident, no one_____ except a few people who were badly injured.
With his work______ on time, he felt very excited.