Which sentence is wrong?
| A．I felt it impossible for him to take the exam. |
| B．I found it impossible that he might take the exam. |
| C．I thought that he might not take the exam. |
| D．In my opinion he might take the exam. |
I don't know makes her afraid of having her business discussed.
| A．what it is about Mary that | B．that is it abut Mary what |
| C．what is it about Mary that | D．that is about Mary what |
Nothing is wrong with the radio ?
| A．isn't it | B．is that | C．is it | D．isn't that |
—Did Li Lei call me while I was out?
—Yes, it was that called you.
| A．him | B．he | C．who | D．whom |
Has been decided when we are to hold the sports-meeting?
| A．that | B．this | C．it | D．what |