.
Sometimes she’d ask the driver to stop in front of a particular building and would sit _________ into the darkness, saying nothing.
| A．staring | B．glaring | C．watching | D．noticing |
They tried to prevent the damage ________ their cattle.
| A．from protecting | B．protecting | C．protect | D．to protect |
His father disappeared, ________ two children and never _______ from again.
| A．left; being heard | B．leaving; heard | C．left; be heard | D．leaving; to be heard |
Does the way you thought of ________ the water clean make any sense?
| A．making | B．to make | C．how to make | D．having made |
In order not to be disturbed, I spend three days _______ in my study.
| A．locking | B．locked | C．to lock | D．lock |
Although he didn’t expect _______ me here, he advised _______ to the nearest restaurant.
| A．to find; going | B．finding; to go | C．to find; to go | D．finding; going |