The tree _________ are green in spring. A. leafs B. leaves C. leaf
There are days in a week. A. six B. eleven C. seven
— What do you have dinner?
Tomatoesmy favourite food. A. is B. are C. am
Amy is 10 old. A. year B. years C. yuan
选出正确的答句，把序号填到问句前的括号里。
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