—How do you communicate with your foreign friends?—________________writing e-mails, of course.A. With B. By C. From
--Why do you want to stay at home? --Because I ________ good when I am with my family.
______ is dangerous for children to swim in the river alone.
Be more careful and we can ______ these accidents.
The mother did all kinds of things to make her baby ______.
–Did you water the flowers yourself? --No, I got them ______.