Though we found _____difficult to avoid economic and financial crisis, we must take measures to reduce its negative impact.

A．it                  B．one                   C．that           D．how

Though we found _____difficult to avoid economic and financial crisis, we must take measures to reduce its negative impact.

A．it      B．one   C．that   D．how

Though we found _____difficult to avoid economic and financial crisis, we must take measures to reduce its negative impact.

1. A.
   it
2. B.
   one
3. C.
   that
4. D.
   how