must的否定句?A large hole must be dug.(否定句)A large hole ______be

must的否定句?A large hole must be dug.(否定句)A large hole ______be We must d____ a hole large enough fpr a tr ee,And then we ca It must be a spaceship(改为否定句） he dug a hole (plant)a tree that must be a lot more fun than taking a bus这句话的否定句 a hole dug in the ground very excited,they dug a hole t She saw it ___ (go) down a large rabbit hole Must i ride a bike there（改为否定句） The old farmer dug a hole two feet He dug a hole in the ground____his bare hands 填空 英语填空1 To plant a tree,a large hole should ________ (dig ).2