As you know, I’m still buried in books at ____school you are so familiar with.
| A．the | B．a | C． / | D．an |
Does ______ matter if he can’t finish the job on time?
| A．this | B．that | C．he | D．it |
I don’t think ____ possible to master a foreign language without much memory work.
| A．this | B．that | C．its | D．it |
Is ____ necessary to complete the design before National Day?
| A．this | B．that | C．it | D．he |
Was it during the Second World War_____ he died?
| A．that | B．while | C．in which | D．then |
Joan had often heard____ said that Marley had no money.
| A．it | B．this | C．that | D．one |