----May I have a picnic with my friends this afternoon?----I'm afraid not. _______ you have finished your homework.
—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.