No one _______ the building without the permission of the policeman.
A．is leaving B．will be leaving C．has left D．is to leave
The new bridge is ________ the one built last year.
A．three times as wider as B．three times the width of
C．three times the width D．as three times as
She ________ down her book and ________ in bed.
A．laid; lay B．lay; laid C．lay; lay D．laid; laid
Some researchers believe that there is no doubt _______ a cure for AIDS will be found.
A．which B．that C．what D．whether
To write his paper, he tried hard to collect _______ information as he could.
A．many of B．a great many C．the number of D．a large amount of
Don’t worry. You ________ have that book tomorrow.
A．must B．could C．shall D．may
