This building is both a secret and a mystery. No one shall be admitted into it ______ he can give the right password.
| A．if | B．as | C．since | D．unless |
My uncle’s house in the downtown area is much smaller than ours, but it is ______________ expensive.
| A．as much twice as | B．twice as much as | C．much as twice as | D．twice much as |
Having said goodbye to their friends, they _______ for home.
A. set about B. set up C set down D. set off
—Did the winner of the English Contest behave well?
—Really. She made a deep ________ on the judges.
| A．idea | B．feeling | C．impression | D．sense |
It had been half an hour before she found herself _____ in the wrong direction of
her home.
| A．walking | B．to walk | C．walked | D．walk |
His ability is beyond question; ______ has been in doubt is ______ he is prepared to work hard.
| A．what; that | B．what; whether | C．which; whether | D．that; that |