How beautiful she sings! I have never heard __.
You can always rely on __________ Jack says, as he never tells a lie.
-The car comes to a sudden stop. What's wrong?-The oil has __________.
It isn't quite __________ whether the teacher will collect the homework by Friday, so you needn't hurry.
I found the homework was not so heavy as __________ I __________ to get in my old school.
We all felt the plan __________.