Water can absorb and give off a lot of heat without big changes in temperature, thus creating a ______ environment.

A．peaceful         B．sensitive           C．common              D．stable

--- I have got a headache.

--- No wonder you _________ in front of that computer too long.

A．work          B．are working           C．have been working           D．worked

With the good care taken by doctors and nurses, many patients are beginning to _________.

A．pick out         B．turn up           C．turn out             D．pick up

---Come on, please give me some ideas about the project.

--- Sorry．With so much work ______ my mind, I almost break down.

A．filled             B．filling            C．to fill              D．being filled

It is none of your business ______ other people think about you．Believe yourself.

A．how           B．what            C．which               D．when

--- Can you read the sign, sir? No smoking allowed in the lift!

--- _________________.

A．Never mind                                        B．Don’t mention it

C．Sure, I don’t smoke                                D．Pardon me

“You say you won’t do it, but I say you _______”, said the boss.

A．will             B．shall             C．can           D．may

Could I speak to _______ is in charge of International Sales, please?

A．anyone         B．someone       C．whoever          D．no matter who

--- Did Alan enjoy seeing his old friends yesterday?

--- Yes, he did．He _________ his old friends for a long time.

A．didn’t see          B．wouldn’t see          C．hasn’t seen           D．hadn’t seen

To avoid the car ______ the child, the driver had to make a sharp turn.

A．to hit           B．hit          C．hitting            D．being hit