he is trying to draw a house on the blackboard

问题描述:

he is trying to draw a house on the blackboard
he is trying(to draw a house)on the blackboard 对括号里的部分提问
What is he __________________on the blackboard?
Manatees eat (about 100 pounds of food)a day 对括号里的部分提问
____________ do manatees eat a day ?
There used to be (a lot of trees )near here.对括号里的部分提问
_______ _______ ________to be near here?
第三个没错,但第二个错了是:Manatees eat (about 100 pounds of food)a day 对括号里的部分提问
_____ ______ _______ do manatees eat a day ?

what is he trying to draw on the blackboard?
How much do manatees eat a day
第三个有问题,少个空.应是what did there use to be bear here?