Although the first part of the book is easy， the rest ______.
| A．has proved difficult | B． are difficult |
| C．is supposed difficult | D．have been found difficult |
______ hungry I am, I never seem to be able to finish off this loaf of bread.
| A．whatever | B．Whenever | C．Wherever | D．However |
.Why ！I have nothing to confess。________you want me to say？
| A．What is it that | B．What it is that | C．How is it that | D．How it is that |
A computer can only do ____ you have instructed it to do.
| A．how | B．after | C．what | D．when |
It wasn't until nearly a month later________I received the manager's reply .
| A．since | B．when | C．as | D．that |
______ is no possibility _____ the shy girl can win the first prize in the English speech contest.
| A．There; that | B．It; that | C．There; whether | D．It; whether |