___prevent cheating,the test questions are kept secret
| A．So as to |
| B．In order that |
| C．In order to |
| D．So that |
【2015·北京】_____the early flight,we ordered a taxi in advance and got up very early.
| A．Catching | B．Caught | C．To catch | D．Catch |
【2015•湖南】When the clerk saw a kind face wrinkled in an apologetic smile, she stood rooted to the ground, ________ whether to stay or leave.
| A．wondering | B．wonder |
| C．to wonder | D．wondered |
【2015·安徽】It is lucky we booked a room, or we ______nowhere to stay now.
| A．had | B．had had |
| C．would have | D．would havehad |
【2015·江苏】It might have saved me some trouble ______ the schedule.
| A．did I know | B．have I known |
| C．do I know | D．had I known |
【2015·福建】—Sorry, Mum! I failed the job interview again.
—Oh, it's too bad.You _____ have made full preparations.
| A．must | B．can | C．would | D．Should |