We all ______ the summer vocation _____ a time for study, but she has a different idea.
I didn't like the soap opera at first,but when I watched one, I immediately became ______ it.
The genes of the cloned animals are so arranged that it can't ______ such a disease, so it soon died.
The ______ he drew from his simple experiment is not scientific.
The school bus was ______ by a thick fog.
You can't ______ of being lonely when you don't make an effort to meet people and make friends with them.