the shark drawing closer to her，the clumsy swimmer was ____almost to death.

Not until he received the invitation ________to attend the summit held in New York.

The Nuclear Security Summit is an initiative of Mr. Obama, considers nuclear terrorism to be one of the greatest threats to international security.

This programme takes ______ the Asian tigers.

ine, ____ the alarm clock for 6 o’clock,or you would oversleep and be late for the train.