Every year, typhoons and losses ______ lead to are frightening though measures have been taken.

He is writing a novel, so he shuts himself up, ________ to receive guests.

In May 2011, Americans spent 53 billion minutes on Facebook, ______ it the most popular U.S. website.

spend the spring sneezing, take a look at yourplate Some foods _____ make allergies worse

If you had helped him, he _________happy now. [ ]