__________ problems you have,you can always come to me for help.
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.
If we work with a strong will, we can ______ any difficulty, however great it is.