I knew we would be friends ____ I met you on campus. [ ]

First ______ the rice by washing it, then ______ it in boiling water.

Wait till you are more ________. It’s better to be sure than sorry.[ ]

How long do you think it will be ________ thecomputer company puts forward a new product

Can I come this evening or tomorrow morning-_______is OK..I’m free today and tomorrow.