21 _____ the danger from the enemy action, people had to deal with a severe shortage of food, clothing, fuel and almost everything.
A．As soon as B．As long as C．As far as D．As well as
22 Recently some hospitals in China have adopted ______ they call a robot-doctor, ______ will be used to operate on patients with more accuracy.
A. what; that B. that; which C. what; which D. which; what
23 The bank is reported in the local newspaper _______ in broad daylight yesterday .
A being robbed B having been robbed
C to have been robbed D to have robbed
24. Everything ____smoothly, more jobs created for people allow them to be independent of others.
A. ran B. runs C. running D. to run