In summer milk will quickly go bad_____ it is put into a fridge.
--Mary, would you like to go and visit the Science Museum with me ?-- _____, but surfing on the internet seems more interesting.
My father advises me _____ games, he thinks it’s not good for my study.
The _____ you work at your lessons, the _____ result you will get.
_____ exciting job it is to work as a guider in such a big mall.
It’s very nice of you to _____ so much time showing me around your school.