I recommended strongly that you ______a more powerful computer, even though your brother recommended ______ an ordinary one.
Though they had a meeting yesterday, there is still much that remains______.
The students expected there ________ more free time before the test.
They tried to prevent the damage ________ their cattle.
His father disappeared, ________ two children and never _______ from again.
Does the way you thought of ________ the water clean make any sense?