Evdence has been found through years of study______children’s early sleeping problem likely to continue when they grow up.
All the books donated by the students from urban schools are said ______ to the students in rural areas the other day.
If he takes on this work, he will have no choice but ______ an even greater challenge.
Something terrible _________ if he didn’t come to the bar as he always did.
– Listen! It’s raining. -- Oh, really? I ________ it at all.
I ________ a topic for the composition, but haven’t decided yet.