【题目】_______ are you doing? ( )

【题目】Who can help ________? ( )

【题目】Lin Tao is ________ an ice cream. ( )

【题目】I’m making _______ birthday card. ( )

【题目】He is _____ a letter. ( )

【题目】—What are the ducks doing? ( )

【题目】I don't like meat. I usually have some rice, _______ and _______ for lunch. ( )

【题目】—__________ are they going this weekend? ( )

【题目】My father is _____ than my grandpa. ( )

【题目】That’s the ________dinosaur in this hall.(　　)