. He tried his best to solve the problem, _______ difficult it was.
| A．however | B．no matter | C．whatever | D．although |
The other day he bought me a ______diamond ring as a birthday present .
| A．valuable | B．reliable | C．frequent | D．grateful |
A new law has been passed ,forbidding the killing of ______animals
| A．former | B．rare | C．generous | D．legal |
We give dogs time ,space and love we can spare ,and ______,dogs give us their all .
| A．in all | B．in fact | C．in short | D．in return |
Professor Williams keeps telling his students that the future ______to the well-educated .
| A．belongs | B．is belonged | C．is belonging | D．will be belonged |
Atlanta ,a Greek princess ,was very beautiful and could run faster than ________man in Greece .
| A．any other | B．any | C．the other | D．other |