The medicine has a strong side ________ on our health though it works well.

Miss Gao has taught us English two years. I have beenhere two years ago. [ ]

Is this your ruler?—No, it isn’t. It’s ________.

Hey, Mary. Happy New Year! ____?— Ok, I guess. My grandma kept cooking and cooking, so I just kept eating.

Drunk driving used to occur _______, but now it is under control.