I’m certain David’s told you his business troubles. ____ , it’s no secret that he owes a lot of money to the bank.

   A. However      B. Anyway           C. Therefore      D. Though

 ____ is known to us all that Obama has been elected President of the USA.

   A. As            B. Which           C. It           D. What

 Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes to classroom tests.

   A. before         B. since            C. when        D. after

Having checked the doors were closed, and ____ all the lights were off, the boy opened the door to his bedroom.

   A. why           B. that             C. when        D. where

 Animals suffered at the hands of man _____ they were destroyed by people to make way for agricultural land to provide food for more people.

   A. in which        B. for which        C. so that       D. in that

 The allowance is only enough to ____ the most fundamental needs such as food and clothing.

   A. convey        B. cover           C. consist       D. confirm

____ exchange students can learn many useful things, it is also possible that some of them may fall behind in their studies.t

   A. Since          B. While           C. If           D. When

 The village was badly struck by the rare flood last night. The villagers were badly ___ food and shelter.

   A. in time of       B. in charge of      C. in want of    D. in possession of

 Dickens made a call upon the rich to have mercy on the people who were ____.

   A. less badly off   B. less well off     C. more badly off   D. more well off

--- Why do you suggest we buy a new machine?

 --- Because the old one has been damaged _____.

   A. beyond reach    B. beyond repair  C. beyond control D. beyond description