你在问别人问题之前,你可以有礼貌地说:A.I’m sorry. B. Excuse me. C. Can you help me?
Can you see the boy in the tree? No, I _____.
______ is my family photo.
______ he have any brothers and sisters?
______ do you have math? On Monday, Wednesday and Friday.
Where is the ruler? ______ in your bag.