Not only ________ to turn off the lights in the kitchen, but we also failed to lock the front door.
__________ what the six blind men said sounded! I can't help laughing!
—Doctor, it seems you like to work with animals. —Yes, I think animals should __________ as our friends.
Her parents require that she __________ TV after she finishes her homework.
In America and Europe, it is __________ to tip anything from 10% to 20%.
The couple said they __________ for Chicago the next month.