—In a text message, 88 means Bye-bye.—And another example is F2F _________ stands for face to face.
—What is he doing now? —He’s ________ the teacher in class now.
The trees in the school are good for our health. So please don’t ________.
We are so tired(累) these days because we have ________ homework .
—Why do you like dogs? —________ they are very friendly.
My class teacher is very good _____ us, and we love her very much.