_____ it will do us harm or good remains to be seen.
---Is it Pro. King that will give the lecture on radiation?--- I can't __ I know it for sure.
To his surprise, his new play well ____ by the public in China, met a cold welcome abroad.
— How about the concert last night? — Well, at least it’s ____ the one I saw last time with Joan.
The artist __ the judge gave a prize is the teacher __ I have been taught painting for over three years.
— I ____ to your birthday party last Sunday. — Unfortunately, you were out on business.