【题目】I don't know the man ____ is standing at the gate.

【题目】—Are you feeling better now?

【题目】It's cold outside. ____your jacket, Tom.

【题目】Please fill the bottle ____ water.

【题目】We did ____ experiment in physics class.

【题目】Students ____ not to use mobile phones in our school now.

【题目】It's raining cats and dogs. We have no choice but the picnic.

【题目】Life is full of _____ chances, but they're not always _____ ones we hope for.

【题目】The baby is sleeping now. We'd better ________.

【题目】Little Kate went to school __________ it rained heavily yesterday.