When I returned to my study, I found the floor thoroughly______and all my books______according to the types of books
| A．changing; ranging | B．changed; ranging |
| C．have changed; ranged | D．has changed; ranged |
—Let me introduce myself,I’m Albert.
—__________.
| A．What a pleasure | B．It’s my pleasure |
| C．I’m very pleased | D．Pleased to meet you |
—Do you mind my taking this seat?
—_________.
| A．Yes,sit down,please | B．No,of course not |
| C．Yes,take it please | D．No,you can’t take it |
—Hi,I’m glad to see you.
—_________.
| A．Thank you | B．Me,too |
| C．My name is Mary | D．I’m glad to hear that |
We should treasure friendship，for a friend is easier lost than _____．
A．find B．to find C．finding D found
In the 1990s．a trip to Zhangjiajie cost less than 500 yuan，but now with the same amount of money you______even cover the entrance fee．
A．couldn’t B shall’t C．can’t D．won’t