The nurse treated the naughty boy very kindly, but her patience ________ at last．

A．went down

B．used up

C．got away

D．gave out

My parents ________ have been here by now．I doubt ________ they have missed the early bus．

A．ought; that

B．should; whether

C．could; that

D．must; if

Some of the passengers told the reporters about their ________ in the burning train．

A．details

B．trips

C．events

D．experiences

You can’t camp ________ you like these days．Many natural areas are under protection now．

A．what

B．when

C．wherever

D．whenever

－You seemed to be deeply struck by his skill．

－Not exactly．It was his courage ________ his skill that really struck me most．

A．rather than

B．as well as

C．but also

D．so that

－Perhaps we can put the meeting off until next Friday．

－That's just what I ________ about when you came in．

A．thought

B．had thought

C．was thinking

D．would think

Staying in a hotel for a day costs ________ renting in the country for a week．

A．more twice than

B．twice as much as

C．as much as twice

D．as much twice as

It was ________ he came to Macao ________ he knew what kind of place it was．

A．that; when

B．until; that

C．not until; when

D．not until; that

－Who do you think invented the light??

－Edison is considered ________ it．

A．to have invented

B．having invented

C．to invent

D．inventing

Tom, ________ sure to turn off the light before you leave.?

A．must be

B．is

C．be

D．do