Walking exercises ____ be boring at times, but on a clear sunny morning nothing could be better．
| A．may | B．will | C．must | D．should |
The thief was caught stealing money from the shop opposite the school and _________ by the local police at the moment.
| A．was questioned | B．had questioned |
| C．is being questioned | D．has been questioning |
In my opinion _________ matters is whether we can win together as a team instead of individuals.
| A．how | B．it | C．that | D．what |
Go out for a walk around our flat after supper, or _________ still in the park.
| A．better | B．best | C．much | D．more |
--What kind of job have you ever done before?
--Oh, I _________ for an engineering company for three years,
| A．work | B．have worked | C．worked | D．had worked |
As a famous public figure, you have a duty to _________ yourself responsibly, especially in public places.
| A．carry | B．conduct | C．guide | D．operate |