Not once in these years ________ the prices of these products．

A．they changed

B．did they change

C．they have changed

D．have they changed

Kevin interviewed the college students ________ there was a popular belief ________ to be volunteers was to enrich their experience．

A．of whom；how

B．for whom；when

C．with whom；that

D．among whom；that

—Did you telephone the governor's office？

—Yes，he ________ back before tomorrow noon．

A．expects

B．is expected

C．will be expected

D．is to expected

What was ________ that Frodo said about taking the ring to Mordor？

A．this

B．what

C．that

D．it

An Fl car is designed，so air flows over and under its body，________ a downward force that holds it close to the ground at high speeds．

A．to create

B．creates

C．creating

D．created

Why did you throw the bottle out of the window？ You ________ somebody．

A．might hurt

B．could have hurt

C．would hurt

D．must have hurt

In face of ________ failure，it is the most important to keep up________ good state of mind．

A．不填；the

B．不填；a

C．the；the

D．the；a

She has set a new record，that is，the sales of her latest book ________ 50 million．

A．have reached

B．has reached

C．are reaching

D．had reached

—I'll tell Mary，about her new job tomorrow．

—You ________ her last week．

A．ought to tell

B．would have told

C．must tell

D．should have told

What surprised me was not what he said but ________ he said it．

A．the way

B．in the way that

C．in the way

D．the way which