Leaders of many countries have been trying to _____ what it is that makes China develop so fast in recent years．

         A．carry out        B．figure out      C．watch out      D．make out

  Leaders of many countries have been trying to _____ what it is that makes China develop so fast.

     A. carry out       B. figure out     C. break out      D. watch out

Leaders of many countries have been trying to ______ what it is that makes China develop so fast.

Leaders of many countries have been trying to _____ what it is that makes China develop so fast in recent years．

1. A.
   carry out
2. B.
   figure out
3. C.
   watch out
4. D.
   make out

Leaders of many countries have been trying to ______ what it is that makes China develop so fast

1. A.
   carry out
2. B.
   figure out
3. C.
   watch out
4. D.
   go out