—Do you think he will do me a favor?
—As far as I know，he is the last one to help others.He_______be prepared to give you a hand，though.
| A．must | B．might | C．can | D．should |
_______ from what he did, he isn’t a person to depend on..
| A．Judge | B．Judging | C．Judged | D．Judges |
The students left the room _______all the lights on.
| A．with | B．and | C．but | D．when |
Roses need special care ______they can live through winter.
| A．because | B．so that | C．even if | D．as |
Only in this way ____to make an improvement in the operating system.
| A．you can hope | B．you did hope | C．can you hope | D．did you hope |
They ___________to put their hearts into study..
| A．have made their minds | B．have made their mind |
| C．have made up their minds | D．have made up their mind |