1.There are (tow) pens on the desk.(对打括号部分提问) 2.There are some ducks in the river.(改为一般

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1.There are (tow) pens on the desk.(对打括号部分提问) 2.There are some ducks in the river.(改为一般

1.How many pens are there on the desk?
2.Are there any ducks in the river?