The teacher wrote an example on the blackboard to ________ the point．

A．illustrate

B．suggest

C．express

D．recognize

In ________ Chinese culture, marriage decisions were often made by parents for their children．

A．traditional

B．historic

C．remote

D．initial

After the trainer was sure that the whale could look after itself, he ________ it into the sea．

A．transported

B．unloaded

C．released

D．handled

Hospital staff burst into cheers after doctors completed a 20-hour operation to have one-year-old twins______ at the head．

A．isolated

B．separated

C．divided

D．remove

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

Having been attacked by terrorists, ________．

A．doctors came to their rescue

B．the tall building collapsed

C．an emergen measure was taken

D．warnings were given to tourists

Jasmine was holidaying with her family in a wildlife park ________ she was bitten on the leg by a lion．

A．when

B．while

C．since

D．once

After Yang Liwei succeeded in circling the earth, ________ our astronauts desire to do is walk in space．

A．where

B．what

C．that

D．how

American women usually identify their best friend as someone ________ they can talk frequently．

A．who

B．as

C．about which

D．with whom

The flu is believed ________ by viruses that like to reproduce in the cells inside the human nose and throat．

A．causing

B．being caused

C．to be caused

D．to have caused