European football is played in 80 countries, _______ it the most popular sport in the world.
It was not until 1920 ___ regular radio broadcasts began.
The reason _____ he explained is ___ she was ill.
_______, the disease diphtheria would produce a powerful poison that would kill the paient.
He ___ in Nanjing where he ____ by his aunt.
They are of _____ height, but I think Mary ____ the job.A.equally,is equal B.equal, is equal to C.equal, equals D.equally, is equaled