He is trying to shelter his boss ______ criticism.
The sentence needs ______.
.As she is looking forward to ______from me ,please remember _______this letter on your way to school.
_____from the moon ,our earth ,with water ______seventy percent of its surface, appear as a “blue ball”
A person _____a foreign language most be able to use the language ______all his own.
Mrs Smith warned her daughter ______after drinking.