________ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
| A．Even if | B．As far as |
| C．If only | D．So long as |
When she was asked how she had managed to live _______ with the man she hated so much, she didn’t ______ to the question.
| A．at peace; respond | B．in peace; answer |
| C．with peace; make an answer | D．in peace; respond |
The couple felt most angry about the way _____ the waiter of the hotel treated them.
| A．by which | B．in which |
| C．for which | D．with which |
---Any advice for me?
---You’d better the timetable to see when the train leaves.
| A．consult | B．recommend | C．remind | D．request |
Whenever and wherever we are, keep in mind that we should listen more to others.
It’s wrong to express ourselves without thinking. Just as we all know, _______.
| A．a good beginning makes a good ending |
| B．a still tongue makes a wise head |
| C．a great hope makes a great man |
| D．a good husband makes a good wife |
The minute he heard someone shouting for help, out_______ to see what was happening.
| A．had he rushed | B．did he rush |
| C．he rushed | D．rushed he |