----Why must we invite him to our discussion? ----Her opinion because of her experience.
--Two tickets to Guilin, please.--Only one ticket left. Would you like _______?
The students in Class 3 planned to sell old books to _______ money to help the new student.
The old washing machine makes loud _______, I can’t hear you clearly.
I always look through the news _______ the Internet in my free time.
--- Bill, can I get you anything to drink?--- __________.