“Remember not ______ your homework at home again,” said the teacher.
——Where ______ he go on vacation?——He went to the mountains.
What _______ bowl of soup would he like,small or large?
——Which is your teacher?——The one _________ thick glasses is.
There __________ a teacher and seventy—two students in the classroom.
——Is he heavy?——No, he is a little bit ________.