My sister is only four years old, but she can look after ________ now.
They saw the math teacher ______ the classroom just now.
— How long has Bob ______? — Since 2012.
—Why did Mike ______ the chance of studying abroad last year? — Because he had to look after his sick father.
— ________ me your passport, please. — OK, here you are.
— Uncle Tom, the candies you made are really delicious, ______ I have another one? —Yes, please. I’m glad you like them.