The teacher tried hard to make a sentence and managed to _____the meaning of the phrase to the students.

A.  show off      B. turn out       C. get across       D. take over

Jin Jing, ________ wheelchair athlete, managed to protect the torch when many pro-Tibet demonstrators tried to grab the torch from her as she went along ________ Seine River．

1. A.
   a;x
2. B.
   x;the
3. C.
   x;x
4. D.
   a;the

_______ many times, he finally managed to settle the problem.

A. Tried　　 B. Trying　　 　　　 C. Having been tried　 D. Having tried

_______ many times, he finally managed to settle the problem.

A. Tried　　　 　　　 B. Trying　　 　　　 C. Having been tried　 D. Having tried