As far as I’m concerned ,you should read more literature (著作)to enrich your _______.
I believe ______ you have done your best and _____ things will improve .
What a pity ______is ________ you didn’t arrive by daylight.
As the day was fine ,I made the suggestion _______ for a walk in the park .
It is uncertain ______ the experiment is worth doing .
I’d like to work with ____ is honest and easy to get on with.