—Are you going to Mary’s party tonight?—No, I won’t go__________ you go.
—What’s the weather like in Qinghai in winter?—There is ________snow and it is ______cold.
— Excuse me. Where is the stair?— Ok. Go straight ____that door under the EXIT sign.
---Are there any animals in the zoo?---____________.
__________ did your mother go?---She went to Hangzhou.
Susan and her classmates__________ to the mountain last week.