你想说“我正在洗水杯。”,你应这样说:________A.I'm washing the mugs. B.I'm washing the clothes.
( ) _______Li Ming taller than Gao Shan three years ago?
( )—_______ruler is your favourite? —The blue one.
( ) _______is this blouse? _______knows?
( )—_______is your toy car? —It’s under the desk.
( )—What does your uncle do? —_______.