1. At that time, _________ that it had been so hard for them to start a small business.
A. never did they realize
B. never they realized
C. never have they realized
D. never they have realized
2. At first, the bank ________ my request for a small business loan.
A. gave off
B. turned down
C. brought about
D. put on
微信支付 
支付宝支付