You should take this medicine _________ a day.
| A．two | B．twice | C．three | D．twices |
These my pants.
A. isB. amC. are
I have close the door.
A. toB. inC. at
---What’s the weather like in Tianjin? --- .
A. It’s smallB. It’s coldC. It’s beautiful
--- time is it ? ---It’s 5:30.
A. What timeB. WhatC. How time
--- students are there in your class? ---Forty.
A. How muchB. How manyC. How old