Nobody could be sure____ Mr Goldman did it so well.
| A．how | B．which | C．what | D．that |
____ she couldn’t understand was _____ fewer and fewer students showed interests in her lessons.
| A．What; why | B．That; what | C．What; because | D．Why; that |
______ surprised the family most was ________ the girl played basketball very well.
| A．That; that | B．That; what | C．What; that | D．What; what |
Someone is ringing the doorbell. Let’s see _______.
| A．who is he | B．who he is | C．who is it | D．who it is |
It is very common that former people have difficulty in _____ modern life.
| A．sticking to | B．relating to | C．adjusting to | D．connecting to |
I really don’t know ___ ___I kept the secret papers.
| A．where was it | B．it was where that | C．where it was that | D．where was it that |