It takes a long time to go there by train； it’s ＿＿＿＿by road.
| A．quick | B．the quickest | C．much quick | D．quicker |
—Helen must obey her parents.
—Oh，she must，__________?
| A．must she | B．mustn’t she |
| C．shouldn’t she | D．should she |
We must do the experiment carefully__________Miss Liu told us.
| A．what | B．since | C．as | D．while |
__________ everybody is here，let’s set out right away.
| A．Now that | B．Because |
| C．For | D．After |
__________ the days went on，the situation there got worse.
| A．With | B．Since | C．While | D．As |
Everything__________into consideration，they believed themselves more and returned to their positions.
| A．to take | B．taken | C．to be taken | D．taking |