The farming methods have been ________ improved with the invention of the new machine.
A
A高效率地B熟练地C职业地、专职地D故意地、有意地
Neverbefore_______sorapidlydevelopingasitistoday.
Thevehiclewastravelingatspeeds________90milesperhour.
Theoutlineofrooftopsandchimneys________againstthepalesky.