【答题库最新整理国开(电大)人文英语3-1379网上形考机考题库】It is said that ______ 2000 factories were closed down during the economic crisis.

【答题库最新整理国开(电大)人文英语3-1379网上形考机考题库】It is said that ______ 2000 factories were closed down during the economic crisis.
选择一项：
A. properly
B. approximately
C. considerably
译文：据说，在经济危机期间大约有2000家厂子关闭。