This is an illness that can result in total blindness if_______.
| A．to leave untreating | B．left untreated | C．leaving untreating | D．is left untreated |
相关试题
--Don’t you think it a very nice motorbike?
--Yes, but would you please ____ it on my lawn?
| A．not to park | B．not parking | C．not park | D．to not park |
When I suggested that someone in the village ____ his wine, he didn’t believe.
| A．must have drunk | B．should drink | C．have drunk | D．has drunk |
The reason ___ he can’t come is ______ he has to work late.
| A．because; that | B．that; that | C．why; that | D．why; because |
Though I have no idea _______ the new film is about, I know it is popular with all who have seen it.
| A．whether | B．why | C．that | D．what |
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