Our society insists on regular habits, timekeeping and punctuality, and whether we like it or not, ______ we mean to make our way in society, we have to comply ( to act in accordance with a demand, rule, etc.) its demands.
| A．whether | B．after | C．if | D．until |
Everyone of us has many responsibilities ______us．So we must work hard．
| A．attaching | B．attaching to | C．attatched with | D．attatched to |
The program was so fascinating that the children kept their eyes _____on the screen．
A．to fix B to be fixed C．fixed D．fixing
We must be sure that children in our country should get well ______．
A．educate B educating C．education D．educated
The professor devoted all his life ____the treatment of AIDS．
A to research B．in researching C．to researching D．at researching
----Where did you put the broom,Tom?
-----I _______it behind the door．But now it is gone．
| A．do put | B．do putting | C．did to put | D．did put |