– Why do you like the boy so much, Sophia?– Because he is trying __________ best to catch up with others this term.
These cards are very nice. Which one should I _______?
My sister likes reading. In her room, you can see lots of books and _______.
I usually use my computer _________my emails and buy tickets.
—_______ your parents eat meat every day? —Yes. But my brother only _______ vegetables.
— _______ do you play computer games? —Sometimes.