Many difficulties ______ when Daisy helped endangered species of wildlife.
| A．risen | B．arose | C．raised | D．rose |
I just pretended nobody was at home，so I didn’t ask who ________ was.
| A．he | B．that |
| C．she | D．it |
I don’t think ________ possible to master a foreign language without much memory work.
| A．this | B．that |
| C．its | D．it |
I just choose a simpler lifestyle，________ where I can ride my bike all over and do not have to make a great living to survive.
| A．that | B．it |
| C．one | D．another |
I spent the whole day repairing the motorbike.The work was ________ simple.
| A．nothing but | B．anything but |
| C．something of | D．all except |
The factory produced many famous cars，none of ________ shipped to foreign countries.
| A．them | B．which |
| C．it | D．what |