The tsunami which happened in the Indian Ocean in 2004 ______ thousands of people homeless.

A．caused  B．let  C．remained   D．left

At times the balance in nature is ______，resulting in a number of possibly unforeseen effects.

A．troubledB．confusedC．disturbedD．puzzled

Though she is CEO of a big company，she is a(n) ______ woman in the eyes of her family.

A．usual    B．a(chǎn)verage   C．normal   D．special

I advised that he ______to the hospital at once，but he insisted that he ______quite well then.

A．be sent；was feeling

B．was sent；felt

C．be sent；feel

D．should be sent；should feel

Now I come here at the ______ of Mr.Smith to assist him finishing the work.

A．requireB．remark

C．demandD．request

To our surprise，the stranger ______ to be an old friend of my mother's.

A．turned upB．set up

C．set outD．turned out

She has worked at the bank for many years，nine ______.

A．generally speakingB．believe it or notC．to be exactD．to be honest

—Why were you late for the party?

—I ______ in the heavy traffic.Otherwise I ______ earlier.

A．got stuck；came

B．got stuck；would have come

C．have got stuck；would have come

D．got stuck；would come

Julie was ______ with Joanna for applying for the same job.

A．a(chǎn)nnoyingB．a(chǎn)nnoyedC．bothered D．bothering

Proper first aid can save a seriously injured person，especially when he or she is bleeding heavily or______.

A.has poisoned                                  B.was poisoned

C.has been poisoned                           D.is poisoning