In the last year alone, more than 260 types of animals disappeared or became more ________.
My father wants me to be a doctor _______an engineer,________I want to be an actor.
We may meet all kinds of difficulties in the future, but we should be confident enough to___________ any challenge.
— Our monitor Jack is good at all the subjects, but he never___________ .— What a modest student!
—Would you like a cup of coffee or a bottle of juice?—______. I’d like some milk.
The doctor has devoted most of his time to ___________ the patients.