26．Before selecting the curtain for your newly-decorated house，it’s important to know what colors look great _________the wall paper．
| A．on | B．with | C．in | D．Against |
Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.
| A．might | B．should | C．can | D．will |
I’m surprised that he ______ in the match.
| A．should fail | B．should have failed |
| C．would have failed | D．may have failed |
Haven’t I told you that you ______ have the answer tomorrow morning?
| A．will | B．shall | C．should | D．would |
There used to be a small school, ______ ?
| A．was there | B．wasn’t it | C．usedn’t there | D．usedn’t it |
Always the old lady ______ sit for hours doing nothing at all.
| A．was used to | B．would | C．used to | D．should |