a lot to do 有没有这样的用吗?The International Monetary Fund has done a lot()the exchange rateA stabilize B to stabilize C stabilizing Dhave stabilized答案选什么,为什么?

问题描述:

a lot to do 有没有这样的用吗?The International Monetary Fund has done a lot()the exchange rate
A stabilize B to stabilize C stabilizing Dhave stabilized
答案选什么,为什么?