-Mike, why did you make no reply to me when I called your name in the street just now?-Sorry, Tom. I_______ to my mother on the phone.
—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.