---Where ______ the recorder? I can’t see it anywhere．
--- I _______ right here．But now it’s gone．
| A．did you put; have put | B．have you put; put |
| C．had you put; was putting | D．were you putting; have put |
She will have a holiday as soon as she _____ the work next week.
| A．finished | B．will finish |
| C．finish | D．finishes |
The world _____ . Things never stay the same.
| A．had changed | B．is changing |
| C．was changing | D．will change |
Could you tell me when to get the book _____ I want to read?
| A．what | B．who | C．/ | D．it |
The math problem is so hard. I really don’t know _____.
| A．what to do it | B．how to do |
| C．how to do it | D．what do it |
She told us _____ story that we all forget about the time.
| A．such an interesting | B．such interesting a |
| C．so an interesting | D．a so interesting |