The reporter interviewed the criminal in prison on Saturday last year.
| A．不填,a | B．a,不填 | C．the,不填 | D．不填,the |
He got well-prepared for the job interview, for he couldn’t risk the good opportunity______.
| A．to lose | B．losing | C．to be lost | D．being lost |
_____from lightweight materials，the robots are about the size of a human arm or
smaller．
| A．To build | B．Being built | C．Having built | D．Built |
The fact that smoking is harmful to health is____most smokers are quite aware of．
| A．what | B．which | C．where | D．that |
An example of them is fraud, a crime _______ money is stolen by cheating others.
| A．which | B．that | C．what | D．where |
Dr. Frank failed many times but he finally _____ to find a successful way to solve the problem.
| A．broke off | B．broke up | C．broke down | D．broke through |