The party will ____ on July 20th.
A.am B. was C.be
Niagara Falls is in ________．
A．China B．CanadaC．America
Would you like________to Australia?
A．go B．to go C．going
He is ________TV now.
A．watch B．watches C．watching
It's one of________ parks in the world.
A．the greatest B．greatest C．the great
The capital city is________ Washington D．C.
A．callB．callingC．called