--Mr. Lee__________to a student when I entered the classroom this morning.---He is very patient________ he is young.
I know nothing about American history. So when I ______ about it, I couldn’t answer it at all.
Our school is not very big. There are only about ______students.
-______ is it from your home to school? -It’s about ten minutes’ bus ride.
Look out! You ______ now. Please don’t talk on the phone.
He still went to school on time ______ it rained heavily.