I was still sleeping when the fire ________ , and then it spread quickly．

A．put out

B．broke out

C．came out

D．got out

People have always been ________ about exactly how life on earth began．

A．curious

B．excited

C．anxious

D．careful

Mar Levine, ________ scientist at University of Pennsylvania, US, has found that competitive eaters have stomachs that can expand like ________ balloon．

A．a; a

B．a; the

C．a;/

D．the; a

Believe it or not, that is ________ we have dreamt about for twelve years．

A．when

B．which

C．why

D．what

You haven't answered my question ________ I can join in the game tonight．

A．if

B．whether

C．which

D．that

From the top of Mount Tai, you can get a wonderful ________ of sunrise．

A．scenery

B．sightseeing

C．view

D．scene

You'll need to ________ them of your ability to do the job well．

A．explain

B．speak

C．convince

D．persuade

Not ________ with the high marks in the exam, the determined student aimed high to get full marks next time．

A．proud

B．curious

C．eager

D．content

________ in a heavy rain should be an unforgettable experience．

A．Caught

B．Catching

C．Being caught

D．To catch

The twins were so much alike; I could hardly ________ Tom．

A．pick up

B．pick out

C．pick off

D．pick at