This practice satisfies people of high moral standards psychologically and materially and ______ encourages other people’s enthusiasm.
| A．on the contrary | B．in the meantime | C．from time to time | D．all at once |
___ has already been pointed out is that grammar is not a set of dead rules.
| A．As | B．It | C．What | D．Which |
____ the standard of living for 3 billion people will create massive opportunities, XiJinping said at the fifth BRICS summit , and he called for major cooperation projects.
| A．Improve | B．Improved | C．Improves | D．Improving |
You can make a complaint to the local government ____you are happy with the way things are.
| A．unless | B．if | C．once | D．as |
By this time next summer, you ___ a high paying job. I, on the other hand , will still be studying for my degree.
| A．will have found | B．will find | C．have found | D．will be finding |
Bob had little idea that his wife was in danger, _____?
| A．didn’t he | B．did he | C．wasn’t she | D．was she |