Many students listened to the lecture, but I wondered how much they ______．

A．took out           B．took up            C．took off                 D．took in

As a matter of fact, ________ tries again makes no difference．

A．no matter which          B．no matter who              C．whoever       D．whichever

------What do you think of Harry, our new roommate?

------ I am not sure, but he is always asking ______ questions．

A．a(chǎn) great many of                                  B．a(chǎn) great many         

C．a(chǎn) great number                                   D．a(chǎn) large amount of

______ what he has had already, the treasure is not really exciting．

A．Compare with       B．Comparing to         C．Compared with     D．Compare to

I’ll never trust such a man ______ you described．

A．that         B．what           C．whoever              D．a(chǎn)s

I want to _______ a question to the chairman but in a moment I lost my nerve

A．a(chǎn)sk                 B．reply              C．rise               D．raise

He insisted that we ________ rest until we finish the work．

A．not                B．don’t              C．can’t              D．should

Can you imagine what problem may ________ when human beings are cloned?

A．raise               B．cause             C．a(chǎn)rise              D．lead

She is too fat, but she can’t ________ sweet．

A．remove          B．resist          C．reject          D．object

It is widely accepted that animals learn to do things because their certain acts lead to _______．

A．rewards           B．prize           C．a(chǎn)wards           D．results